ˈ ̷ ̷ˌ ̷ ̷ noun
1. : any of various birds with more or less white about the head: as
a. : blue goose
b. : surf scoter
c. : a small New Zealand bird ( Mohoua ochrocephala albicilla ) that resembles a warbler
d. : a domestic pigeon of a breed distinguished by a white head
2. : milium 3
3. : any of several diseases of grasses characterized by bleaching of the heads: as
a. : such a condition in oats due to stem injury by maggots or thrips
b. whiteheads plural but singular or plural in construction : take-all