The following is the results of your search for acacia.
Acacia: (Heb. shittim)
(Exodus 25:5) R.V. probably the Acacia seyal (the gum-arabic
tree); called the "shittah" tree
(Isaiah 41:19) Its wood is called
shittim wood
(Exodus 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.