Workmen skilled in stopping the seams of the deck or sides of vessels. The inhabitants of Gebel were employed in such work on Tyrian vessels (Ezek. 27:9, 27; marg., “strengtheners” or “stoppers of chinks”).
Easton’s Bible Dictionary
Calkers
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.