Webster's Revised Unabridged Dictionary · 1913

Shittah

Shittah , noun

[Hebrew shittāh, pl. shittīm.]

A tree that furnished the precious wood of which the ark, tables, altars, boards, etc., of the Jewish tabernacle were made; -- now believed to have been the wood of the Acacia Seyal, which is hard, fine grained, and yellowish brown in color.

Also: Shittah tree