What does almug or algum mean?
The definition of almug and algum
Al”mug, Al”gum, n.
Etym: [Heb., perh. borrowed fr. Skr. valguka sandalwood.] (Script.)

A tree or wood of the Bible (2 Chron. ii. 8; 1 K. x. 11).

Note: Most writers at the present day follow Celsius, who takes it to be the red sandalwood of China and the Indian Archipelago. W. Smith.