Obs. rare. [late L. celeusma, a. Gr. κέλευσμα, f. κελεύ-ειν to order.] A watchword, battle-cry; the call of the signalman who gives the time to rowers.
1680. Hon. Cavalier, 17. Curse ye Meroz, and such like Celeusma’s.
1684. Def. Case of Consc. conc. Symbol. with Rome, 11. I cannot but wonder, at your adventuring into the World this other Celeusma.
1753. Chambers, Cycl. Supp., s.v., Hymns and psalms were sung in vessels by way of celeusina, in which the words amen and hallelujah were frequently repeated.
