on•lay
Pronunciation: (n.on'lā", ôn'-v.on&sylplā', ôn-), [key]
— n., v., -laid, -lay•ing.
—n.
- an overlay, esp. one in relief.
- an inlay that restores the occlusal surface of a tooth.
—v.t.
- to place or mount (an onlay) on a surface, esp. for decorative purposes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.