King James Bible Dictionary

Acacias, also called "Abel-shittim" (Numbers 33:49), a plain or valley in the land of Moab where the Israelites were encamped after their two victories over Sihon and Og, at the close of their desert wanderings, and from which Joshua sent forth two spies (q.v.) "secretly" to "view" the land and Jericho (Joshua 2:1).

thorns

1. Called Abel-Shittim:

General references
Numbers 33:49

A camping place of Israel
Numbers 25:1; Numbers 33:49

Joshua sends spies from
Joshua 2:1

Valley of
Joel 3:18

Balaam prophesies in
Micah 6:5

2. Called Shittah, a tree, the wood of which is fragrant:

Planted and cultivated
Isaiah 41:19

The ark of the covenant made of
Exodus 25:10

Staves of the ark
Exodus 25:13; Exodus 38:6

Boards in the tabernacle
Exodus 26:15-37

The altar of burnt offering
Exodus 38:1; Exodus 38:6

(the acacias), the place of Isr'l's encampment between the conquest of the transjordanic highlands and the passage of the Jordan. (Numbers 25:1; 33:49; Joshua 2:1; 3:1; Micah 6:5) Its full name appears to be given in the first of these passage

Abel has-Shittim, "the meadow, or moist place, of the acacias." it was "in the Arboth-moab, by Jordan-Jericho," (Numbers 22:1; 26:3; 31:12; 33:48, 49 That is to say, it was in the Arabah or Jordan valley, opposite Jericho.