1570s as noun “lamb brought up as a pet”, 1590s applied to persons, 1650s as verb. Perhaps from Old English cotsæta (“cottager”), from cot (“cottage”) (Modern English cot (“cottage”) (archaic)) + -sæta (“-sitter”); compare coscet. Compare German Hauslamm (literally “house lamb”), Italian casiccio.
- (transitive) to treat like a pet; to overly indulge
- It cossets the soul.
- The foam cossets your skin.
- The car cossets its occupants in comfort.
cosset (plural cossets)
- “cosset” in Douglas Harper, Online Etymology Dictionary (2001).