cos·set 
(kŏsĭt)
(kŏsĭt)tr.v. cos·set·ed, cos·set·ing, cos·sets
To pamper.
n.
A pet, especially a pet lamb.
[Possibly from Anglo-Norman coscet, pet lamb, from Middle English cotsete, cottage-dweller, from Old English cotsǣta : cot, cottage + -sǣta, -sǣte, inhabitant; see sed- in the Appendix of Indo-European roots.]