RhymeZone: greenhead definitions

Definitions of greenhead:

noun: Tabanus nigrovittatus, a biting horsefly.
noun: The mallard.
noun: A fish, the striped bass.
noun: A village in south-west Northumberland, England (OS grid ref NY6665).
noun: A hamlet in Staffordshire Moorlands district, Staffordshire, England (OS grid ref SJ9846).
noun: A suburb of Wishaw, North Lanarkshire council area, Scotland (OS grid ref NS8054).

(Definitions from Wiktionary)