coat-tails

n [pl] divided tapering part at the back of a tailcoat (tail) （燕尾服的）尾部.

coalesce, coalescence, coalfield, coalition, coaming, coarse, coarse fish, coarse fishing, coarsely, coarsen, coarseness, coast, coastal, coaster, coastguard, coastline, coat, coat of arms (also arms), coat of mail, coat-hanger, coax, coaxing, cob, cobalt, cobber, cobble, cobbler, cobblers, COBOL (also Cobol), cobra, cobweb, coca, Coca-Cola, cocaine, coccyx, cochineal, cochlea, cock, cock-a-doodle-doo, cock-a-hoop,