| Ceil 1. (v. t.) To overlay or cover the inner side of the roof of; to furnish with a ceiling; as, to ceil a room. 2. (v. t.) To line or finish a surface, as of a wall, with plaster, stucco, thin boards, or the like. Thesaurus Entries bonnet, cap, coif, cork, crown, dome, face, feather, fill, fur, hat, hood, inlay, interline, line, load, pack, pad, roof, roof in, stopper, stuff, tip, top, wad, wainscot |