גַּיָּיס, (גּוּס II) troop, esp. ravaging troop, invaders, robbers (= b. h. גְּדוּד). Pes. III, 7 (49ᵃ) (if one left his home) להציל מן הג׳ Y. ed. a. Ms. M. (ed. עכום, גויים, v. Rabb. D. S. a. l. note) to rescue (Israelites &c.) from an invading troop. Yeb. 122ᵇ רדף אחרינו ג׳ a band pursued us; a. fr.—Pl. גַּיָּיסוֹת. Ib. XVI, 7 (122ᵃ) the country is משובשת בג׳ in confusion on account of invaders. Ruth R. to I, 5; a. fr.—Denom. גִּיֵּיס to arrange battle, to orderout troops; to array. Ib. כמה גייסות … לגַיֵּיס how many troops can I send out. Ib.; Lev. R. s. 17 התחיל מְגַיֵּיס חיילותיו וכ׳ he began to arrange his armies for battle; a. fr. [גייס pr. n. m., v. גַּיּוּס.]