Dictionary

A person dedicated to a life of religion or monasticism, especially a member of an order without religious vows or a lay member of a religious community.

A child given up by its parents into the keeping or dedication of a religious order or house.

Example: 2007, The Venerable Bede started as an oblate at St Paul's, Jarrow, but by the time of his death in 735 was surely the most learned man in Europe. — Tom Shippey, ‘I Lerne Song’, London Review of Books 29:4, p. 19

Flattened or depressed at the poles.

Example: 1922, Why should I not speak to him or to any human being who walks upright upon this oblate orange? — James Joyce, Ulysses

To offer as either a gift or an oblation.