Strong's #3710: keph (pronounced kafe)

from 3721; a hollow rock:--rock.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

kêph

1) rock, hollow of a rock

Part of Speech: noun masculine

Relation: from H3721

Usage:

This word is used 2 times:

 

Job 30:6: "of the valleys, in caves of the earth, and in the rocks."
Jeremiah 4:29: "they shall go into thickets, and climb up upon the rocks: every city"