Cosset

·vt To treat as a pet; to Fondle.

II. Cosset ·noun A lamb reared without the aid of the dam. Hence: A pet, in general.

cosset
A foundling. Cosset colt or lamb; a colt or lamb brought up by hand. ...

Dictionary of The Vulgar Tongue by Francis Grose
cosset
A lamb brought up without the aid of the dam.--Bailey. This word is used in New England in this sens...

Dictionary of American Words And Phrases by John Russell Bartlett.
cosset-lamb
colt a cade lamb or colt brought up by hand. Norf. and SufF. ...

A glossary of provincial and local words used in England by Francis Grose