Five-minute study · Day 275 · Psalms 18
Psalm 18:2
A word worth stopping on: rock סֶלַע sela
'The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.' The word for 'rock' here is sela. It means a massive cliff face, a crag, a rock formation large enough to hide inside. Sela was the name of an Edomite fortress city carved into sandstone cliffs, later called Petra by the Greeks. David knew what a sela was. He spent years hiding from Saul in the wilderness of Judah, in the caves and cliff formations of En Gedi and the strongholds of the desert. When David called God his sela, he was remembering specific cliffs that saved his life. The rock face where Saul's army passed within yards of his hiding place. The crag where he slept because no one could reach him. God was that for him. Massive. Immovable. A place where pursuit ended.
Word study: rock
- Hebrew
- סֶלַע
- Pronounced
- sela
- Strong's
- H5553
- Definition
- A cliff, a crag, a large rock formation. Distinguished from tsur (a smaller rock or stone). Sela refers to a massive, immovable geological feature: a cliff face, a mountain crag, a rock wall that provides shelter or defense. Used as a proper noun for the Edomite fortress city later known as Petra.
Sela appears approximately 60 times in the Hebrew Bible. BDB defines it as 'crag, cliff' and distinguishes it from tsur, which can refer to a smaller rock or stone. Sela is massive. It is the word for a geological feature you cannot move, cannot break, cannot ignore. A cliff you stand under and feel small. A rock wall that blocks the wind. A crag that provides a defensible position in warfare.
Craigie's Word Biblical Commentary on Psalms 1-50 identifies Psalm 18 as a royal thanksgiving psalm with a parallel in 2 Samuel 22. The superscription attributes it to David 'in the day that the LORD delivered him from the hand of all his enemies, and from the hand of Saul.' The psalm is a retrospective: David looking back over years of danger and deliverance. Verse 2 piles up metaphors for God: rock (sela), fortress (metsudah), deliverer (palat), strength (tsur, a different word for rock), shield (magen), horn of salvation (qeren yesha), and high tower (misgav). Craigie notes that the accumulation is deliberate. No single metaphor is sufficient. God is all of these simultaneously.
The sela of David's experience was geographical. During the years Saul pursued him, David lived in the wilderness of Judah, a landscape of limestone cliffs, deep wadis, and cave-pocked rock faces. 1 Samuel 23:25 describes David hiding in 'the rock' (sela) in the wilderness of Maon. 1 Samuel 24:2 places him at 'the rocks of the wild goats' near En Gedi, where he hid in a cave and Saul entered the same cave without knowing David was in the back. The cliff at En Gedi drops several hundred feet to the Dead Sea. The terrain is vertical, fractured, and full of hiding places. David's theology of God as sela was born in those cliffs. He was not writing abstract poetry. He was remembering specific rocks that kept him alive.
The Edomite city of Sela (later Petra) demonstrates the defensive value of the word. The city was built in a narrow canyon accessible only through the Siq, a sandstone gorge barely wide enough for two men to walk abreast. The cliffs on either side rise over 200 feet. A handful of defenders could hold the entrance against an army. When David called God his sela, he meant that kind of impregnability. A place where your enemies cannot reach you. A cliff that makes pursuit pointless.
Historical context · David's flight from Saul approximately 1015-1005 BCE; the wilderness of Judah; En Gedi on the western shore of the Dead Sea; the Edomite fortress of Sela (later Petra) occupied from the Iron Age through the Nabataean period
David in the Wilderness and the Cliffs of En Gedi
David's years as a fugitive from Saul shaped the vocabulary of the Psalms. After his anointing by Samuel (1 Samuel 16), his victory over Goliath (1 Samuel 17), and his service in Saul's court (1 Samuel 18-19), David was forced to flee when Saul's jealousy turned lethal. The pursuit lasted approximately a decade. David moved through the wilderness of Judah, the desert terrain between the central hill country and the Dead Sea. This landscape is characterized by steep limestone wadis, cliff faces hundreds of feet high, and thousands of caves carved by erosion over millennia.
En Gedi, on the western shore of the Dead Sea, was one of David's primary refuges. The site sits at the base of cliffs that rise over 1,500 feet above the Dead Sea (which is itself 1,400 feet below sea level). Fresh water springs support an oasis in the midst of stark desert. Archaeological surveys have identified over 300 caves in the En Gedi region. The caves at Nahal Hever, Nahal Mishmar, and Wadi Murabba'at (all in the same general area) have yielded artifacts from the Chalcolithic through the Roman periods, confirming continuous human use for shelter and hiding. The Bar Kokhba letters, found in the Cave of Letters at Nahal Hever, demonstrate that this terrain was still being used as a military refuge in the second century AD.
Craigie notes that Psalm 18 is one of the oldest psalms in the collection, with archaic linguistic features that support an early date. The parallel in 2 Samuel 22 places it within the narrative of David's life. The military and geological metaphors in verse 2 (rock, fortress, shield, high tower) reflect the language of a man who survived by knowing his terrain. Metsudah (fortress) is the word used for David's stronghold in the wilderness (1 Samuel 22:4-5, 24:22). Misgav (high tower, secure height) describes an elevated position that provides safety through altitude. Every metaphor in the verse maps onto a physical feature of the Judean wilderness that David knew by experience.
The Edomite city of Sela, identified with modern Umm el-Biyara above Petra in southern Jordan, was a cliff-top fortress that controlled trade routes through the Arabah. Excavations by Crystal Bennett in the 1960s confirmed Iron Age occupation. The site sits on a sandstone plateau accessible only by a single narrow path. The name sela (rock, cliff) became the city's identity. When the Greeks encountered the city centuries later, they translated the name: Petra, rock.
For reflection
Sela. A cliff formation. Massive, immovable, large enough to hide inside. David called God his sela while remembering specific rocks in the Judean wilderness that kept him alive. The caves at En Gedi, where Saul walked within feet of him in the darkness. The crags of Maon, where the terrain was too vertical for an army to follow. He was not writing metaphor. He was writing memoir. The next time you read 'the Lord is my rock,' try placing yourself in a limestone canyon in the Judean desert, pressed against a cliff wall, listening to footsteps pass above you. That is the psalm's original setting. Where is pursuit happening in your life right now? Where do you need a sela, a place your enemies cannot reach?
Sela: cliff, crag, massive rock formation. BDB distinguishes it from tsur (a smaller rock). Sela is the word for the Edomite fortress city later known as Petra. Craigie notes that David's geological metaphors reflect direct experience in the Judean wilderness.
Sources: BDB; Craigie, 'Psalms 1-50' (WBC)