📖 Biblical Definition
The Rock in Scripture is God Himself — solid, immovable, elevated, shelter in storm, source of water in the desert, foundation of faith. "The LORD is my rock and my fortress" (Ps 18:2). "He is the Rock, his work is perfect, for all his ways are justice" (Deut 32:4). Moses struck the rock at Horeb and water flowed (Ex 17:6); Paul identifies the rock of the wilderness as Christ Himself: "all drank the same spiritual drink. For they drank from the spiritual Rock that followed them, and the Rock was Christ" (1 Cor 10:4). Jesus commends Peter's confession and says, "on this rock (petra) I will build my church, and the gates of hell shall not prevail against it" (Matt 16:18) — the rock is Peter's confession of Christ as the Son of the living God, not Peter the person (Petros, small stone). Build on the Rock; the storms are coming for every house (Matt 7:24-27).
📜 Webster 1828 Definition
ROCK, n.
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ROCK, n. [Sax. rocc.] A large mass of stony matter, usually a fixed part of the crust of the earth. In Scripture, Rock is one of the most frequent titles of God: "the LORD is my Rock"; "He is the Rock of my salvation." The rock in the wilderness, struck by Moses' rod, gave forth water for Israel, and is declared by Paul to have typified Christ. The wise man builds his house upon the rock, and when the rain descends and the floods come and the winds beat upon it, his house stands.
📖 Key Scripture
Deuteronomy 32:4 — "The Rock, His work is perfect, for all His ways are justice. A God of faithfulness and without iniquity, just and upright is He."
1 Corinthians 10:4 — "For they drank from the spiritual Rock that followed them, and the Rock was Christ."
Matthew 7:24-25 — "Everyone then who hears these words of mine and does them will be like a wise man who built his house on the rock."
Psalm 62:7 — "On God rests my salvation and my glory; my mighty rock, my refuge is God."
⚠️ Modern Corruption
Modern worship often sings about "rock" imagery without the weight of the OT name of God that undergirds it.
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When you sing "on Christ the solid rock I stand," you are singing Deuteronomy, Psalms, Isaiah, and Paul compressed into one line. The Rock of Ages (Isa 26:4 KJV) is not a sentimental metaphor; it is the LORD's own self-designation. In Deut 32, Moses uses "the Rock" as a divine title six times in a single song. Israel's sin was repeatedly described as forgetting the Rock that begot them (Deut 32:18). Recover the weight: when Christ says to Peter "on this rock I will build my church," He is taking to Himself the divine title; the confession "you are the Christ, the Son of the living God" is the bedrock of the Church, because Christ is the Rock. Build there. Every other foundation is sand.
🔗 Greek & Hebrew Roots
H6697 — tsur (צוּר) — rock.
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H6697 — tsur (צוּר) — rock; God as the Rock of Israel.
H5553 — sela (סֶלַע) — rock, cliff, crag.
G4073 — petra (πέτρα) — bedrock, large rock; the Rock on which Christ builds His church.
Usage
"The Rock that followed Israel through the wilderness was Christ. Paul says so. Every Old Testament rock is a Christological arrow."
"Build on the Rock. Every other foundation washes away. This is not worship poetry; it is architectural realism."