%anatifa%

‖n.; pl. Anatifæ [ NL., contr. fr. anatifera. See Anatiferous. ] (Zool.) An animal of the barnacle tribe, of the genus Lepas, having a fleshy stem or peduncle; a goose barnacle. See Cirripedia. [ 1913 Webster ]

☞ The term Anatifæ, in the plural, is often used for the whole group of pedunculated cirripeds. [ 1913 Webster ]