#1 truckle n. [trundle bed, trundle, truckle bed] a low bed to be slid under a higher bed. wn #2 truckle v. yield to out of weakness. wn #3 truckle v. [fawn, toady, bootlick, kowtow, kotow, suck up] try to gain favor by cringing or flattering; "He is always kowtowing to his boss". wn