Cuck″old (k?k″?ld), n. [OE. kukeweld, cokewold, cokold, fr. OF. coucoul, cucuault, the last syllable being modified by the OE. suffix -wold (see Herald); cf. F. cocu a cuckold, formerly also, a cuckoo, and L. cuculus a cuckoo. The word alludes to the habit of the female cuckoo, who lays her eggs in the nests of other birds, to be hatched by them.] 1. A man whose wife is unfaithful; the husband of an adulteress. Shak.
2. (Zoöl.) (a) A West Indian plectognath fish (Ostracion triqueter). (b) The cowfish.