1. a veneer or layer of material applied to the surface of an object for decoration or reinforcement
2. a dental restoration that covers one or more cusps of a tooth
Usage: dentistry

1. to apply or attach a layer or veneer to a surface

Examples

• The furniture maker used a walnut onlay to enhance the cabinet's appearance.
• The dentist recommended an onlay to restore the damaged tooth.
• They decided to onlay a decorative border around the wooden frame.
• The onlay of marble chips gave the countertop a luxurious finish.
• The jeweler will onlay gold inlay into the silver bracelet.
• An onlay is often more conservative than a full crown restoration.