כַּרְכֹּב karkôb

Meaning

a rim or top margin

In the King James Version: compass.

Derivation: expanded from the same as H3522 (כַּבּוֹן);

Where it is used

• Exodus 27:5 Set the grate beneath the ledge of the altar, so that the mesh comes halfway up the altar.
• Exodus 38:4 He made a grate of bronze mesh for the altar under its ledge, halfway up from the bottom.