Probably from a prolonged form of the base of G3735; a bird (as rising in the {air}) that {is} (specifically) a hen (or female domestic fowl): - hen.
Verse
Matrix
Rev 18:2And he cried mightily with a strong voice, saying, Babylon the great is fallen, is fallen, and is become the habitation of devils, and the hold of every foul spirit, and a cage of every unclean and hateful birdG3732.
Rev 19:17And I saw an angel standing in the sun; and he cried with a loud voice, saying to all the fowlsG3732 that fly in the midst of heaven, Come and gather yourselves together unto the supper of the great God;
Rev 19:21And the remnant were slain with the sword of him that sat upon the horse, which sword proceeded out of his mouth: and all the fowlsG3732 were filled with their flesh.