ˈ ̷ ̷ˌ ̷ ̷- noun
also forked-tailed petrel ˈ ̷ ̷ˌ ̷ ̷-
: a bluish gray white-marked petrel ( Oceanodroma furcata ) that has a deeply forked tail and is widely distributed in the northern Pacific ; also : any of several closely related birds with more or less forked tails