Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
An entertainer (Rom. 16:23); a tavern-keeper, the keeper of a caravansary (Lk. 10:35).
In warfare, a troop or military force. This consisted at first only of infantry. Solomon afterwards added cavalry (1 Ki. 4:26, 10:26). Every male Israelite from twenty to fifty years of age was bound by the law to bear arms when necessary (Num. 1:3, 26:2; 2 Chr. 25:5).
Saul was the first to form a standing army (1 Sam. 13:2, 24:2). This example was followed by David (1 Chr. 27:1), and Solomon (1 Ki. 4:26), and by the kings of Israel and Judah (2 Chr. 17:14, 26:11; 2 Ki. 11:4, etc.).