What is Blackbird?

Blackbird definition and meaning on Dictionary terms:
a common European thrush, Turdus merula, the male of which is black with a yellow bill.
any of several American birds of the family Icteridae, having black plumage.Compare crow blackbird, red-winged blackbird, rusty blackbird.
any of several other unrelated birds having black plumage in either or both sexes.
(formerly) a person, especially a Kanaka, who was kidnapped and sold abroad, usually in Australia, as a slave.

verb (used with object)
to kidnap (a person), as in blackbirding.

verb (used without object)
to engage in blackbirding.