Acacia
(Heb. shittim) Ex 25:5 R.V. probably the Acacia seyal (the gum-arabic
tree); called the "shittah" tree Isa 41:19 Its wood is called
shittim wood Ex 26:15,26 25:10,13,23,28 etc. This species (A. seyal)
is like the hawthorn, a gnarled and thorny tree. It yields the
gum-arabic of commerce. It is found in abundance in the Sinaitic
peninsula.