pintail

Definition of Pintail in English :

long-necked river duck of the Old and New Worlds having elongated central tail feathers

WordNet Lexical Database for English. Princeton University. 2010.

Pintail

noun plural -tails or -tail

a greyish-brown duck, Anas acuta, with slender pointed wings and a pointed tail

. Also called: sprigtail

nounWord forms: plural ˈpinˌtails or ˈpinˌtail

1.

any of several ducks, esp. a species (Anas acuta) with a long neck and long, pointed middle tail feathers

2. US

any variety of grouse with a long, pointed tail

n. pl. pintail or pin·tails

Any of several ducks of the genus Anas having sharply pointed tails, especially A. acuta, found throughout the Northern Hemisphere.