Boyd’s Bible Dictionary:
(deer). (1) One of the five cities of the plain, or circle, of Jordan (Gen. 10:19; Deut. 29:23; Hos. 11:8). It is called Zeboiim (Gen. 14:2,8). (2) A valley, or mountain gorge, contiguous to Michmash (1 Sam. 13:18). (3) A place inhabited by Benjamites after the return from captivity (Neh. 11:34).
Concise Bible Dictionary:
One of the five “cities of the plain” destroyed with Sodom and Gomorrah (Gen. 10:19; Gen. 14:2,8; Deut. 29:23; Hos. 11:8). Not identified.
Jackson’s Dictionary of Scripture Proper Names:
gazelles: troops : dyers: hyenas (1 Sam. 13:8; Neh. 11:34)