| crown | (n) (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth, Syn. jacket crown, cap, jacket, crownwork |
| Crownwork | n. (Fort.) A work consisting of two or more bastioned fronts, with their outworks, covering an enceinte, a bridgehead, etc., and connected by wings with the main work or the river bank. [ 1913 Webster ] |