- 1overlay something (with something) (technology) to put something on top of a surface so as to cover it completely; to lie on top of a surface wood overlaid with gold
- 2overlay something (with something) (literary) to add something, especially a feeling or quality, to something else so that it seems to cover it The place was overlaid with memories of his childhood.
NAmE//ˌoʊvərˈleɪ//[usually passive]Verb Forms present simple I / you / we / they overlay
,he / she / it overlays
,past simple overlaid
-ing form overlaying