ˈ ̷ ̷| ̷ ̷ adjective
or forktail ˈ ̷ ̷ˌ ̷ ̷
: having the tail or posterior end of the body deeply cleft
a fork-tailed schistosome cercaria
usually : having the outer feathers or rays of the tail much longer than the central ones — used of birds and fishes