impennes
Im*pen"nes, n. pl. Etym: [NL., fr. L. pref. im- not + penna feather.] (Zoöl.) Defn: An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.
Im*pen"nes, n. pl. Etym: [NL., fr. L. pref. im- not + penna feather.] (Zoöl.) Defn: An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.