·noun ·same·as Almug (and etymologically preferable).
II. Algum ·noun A tree or wood of the Bible (2 Chron. ii. 8; 1 K. x. 11).
(2 Chr. 2:8; 9:10, 11), the same as almug (1 Kings 10:11). ...
Easton's Bible Dictionary
the former occurring in (2 Chronicles 2:8; 9:10,11) the latter in (1 Kings 10:11,12) These words are...
William Smith's Bible Dictionary