I. (ˈ) ̷ ̷| ̷ ̷ transitive verb
Etymology: on (II) + lay
: to lay on ; specifically : to mount (an onlay) on a surface
II. ˈ ̷ ̷ˌ ̷ ̷ noun
1. : material mounted on a surface usually so as to be in relief and usually for decorative effect ; especially : a thin ornamental piece of leather mounted on the surface of a leather bookbinding
2. : inlay 2b