Obs. exc. dial. In 7 -ill. [Cf. COSTARD 2.] The head.
1604. Meeting of Gallants, B 2 b. Vnless some Country Fore-horse came by … with a Raine-beaten Feather in his Costrill.
1640. Brathwait, Boulster Lect., 92. A Wife; One that no image was (for shee could speake) And now and then her husbands costrell breake.
1891. in Sheffield dial. Costrel = the head (S.O. Addy).
