Strong’s Hebrew
H3749 — karkob
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
כַּרְכֹּב
karkob — pronounced kar-kobe
expanded from the same as 3522; a rim or top margin:--compass. see H03522
2 occurrences in the KJV.
Exodus 27:5
And thou shalt put it under the compass of the altar beneath, that the net may be even to the midst of the altar.
Exodus 38:4
And he made for the altar a brasen grate of network under the compass thereof beneath unto the midst of it.