The Collaborative International Dictionary of English v.0.48:
Crease \Crease\, v. t. [imp. & p. p. Creased (kr?st); p. pr. & vb. n. Creasing.] To make a crease or mark in, as by folding or doubling. [1913 Webster] Creased, like dog's ears in a folio. --Gray. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Creasing \Creas"ing\ (kr[=e]s"[i^]ng), n. (Arch.) A layer of tiles forming a corona for a wall. --Knight. [1913 Webster]