Note: Greek text omitted. Entries for keleusma, keleustes &c. ––
“–– a command, order; cheering cry, shout of encouragement, exhortation to sailors, soldiers, charioteers; … at a signal.

–– a commander, one who exhorts; particularly, he who raises the [keleusma], or animating shout or cry; the signal officer, who, by signs or voice, gives the time to the rowers; the boatswain,… Thucyd. vii, 70; compare Silicus Italicus, vi, 360; pointed out by Bloomfield in his Gloss, in Pers. 403; he sung a tune, or boat-song to the rowers, to make them keep time with their oars. See Arnold's Thucyd. I. 365...”
[A Comprehensive Lexicon of the Greek Language, adapted to the use of colleges and schools in the United States, Pickering, 1846]