almug

The walls of these chambers were of cedar, the roof of the noble almug wood, and the floor of poplar boards.

She has not come to prove him with hard questions, but to repose under his almug trees.

And the navy also of Hiram, that brought gold from Ophir, brought in from Ophir great plenty of almug trees and precious stones.

No Jewish lexicon tells us of almug or algum trees; no Hebrew writer undertakes to describe them.