Definition of onlay in English:

onlay

noun

  • 1An item of cloth, paper, etc., fixed on the surface of something, especially for decorative effect; (Bookbinding) a thin piece of leather, etc., mounted on the cover of a book for ornamentation.

  • 2Dentistry. An occlusal rest extended so as to cover the whole occlusal surface of a tooth.

verb

rare
  • with object To lay on (literal and figurative): see to lay on.

Origin

Late 19th century; earliest use found in The Century Dictionary. From onlay<br>Old English; earliest use found in Old English Martyrology. From on- + lay.

Pronunciation

onlay

/ˈənleɪ/