Source : Webster's Revised Unabridged Dictionary (1913)

Cosset \Cos"set\ (k?s"s?t), n. [Cf. AS. cotsetla cottager, G.
   kossat, kothsasse, fr. kot, koth E. (cot) hut, and cf. also
   E. cade, a., cot a cade lamb.]
   A lamb reared without the aid of the dam. Hence: A pet, in
   general.

Cosset \Cos"set\, v. t.
   To treat as a pet; to fondle.

         She was cosseted and posseted and prayed over and made
         much of.                                 --O. W.
                                                  Holmes.

Source : WordNet®

cosset
     v : treat with excessive indulgence; "grandparents often pamper
         the children"; "Let's not mollycoddle our students!"
         [syn: {pamper}, {featherbed}, {cocker}, {baby}, {coddle},
          {mollycoddle}, {spoil}, {indulge}]