Boyd’s Bible Dictionary:
(shrub). That part of the Arabian wilderness or desert lying south of Palestine, adjacent to Judah, and bounded on the east by the Dead Sea and valley of Arabah (Num. 13:21,26; 20:1; 27:14; 33:36; 34:3; Josh. 15:1-3).
Concise Bible Dictionary:
A district far south of Judah, lying between the Dead Sea and the Gulf of Akaba, in which Kadesh was situated, and in which a great part of the wanderings of the Israelites occurred (Num. 13:21; Num. 20:1; Num. 27:14; Num. 33:36; Num. 34:3-4; Deut. 32:51; Joshua 15:1,3). It must not be confounded with the Wilderness of Sin.