Definitions
1.VerbTo treat like a pet; to overly indulge. .mw-parser-output .defdate{font-size:smaller}"The car cossets its occupants in comfort."
2.VerbTo fondle; to touch or stroke lovingly."The foam cossets your skin."
3.VerbTo benefit; to make life easy for.
4.NounA pet, usually a pet lamb.
5.NounSomeone indulged or cosseted.
6.NounAlternative form of cossid (“courier or messenger”).