† ˈcovertilObs.rare. [a. OF.couvertil (Godef.), dim. of couvert, in same sense.] The lid (of a cup); = covercle n. 1. 1463Bury Wills (Camden) 25 My lowe chased pece of silvir..with owtyn any couertil, myn ij stondyng pecys of silvir chasid with a couertil to oon of hem.