Impennes

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Impennes \Im*pen"nes\, n. pl. [NL., fr. L. pref. im- not + penna
     feather.] (Zool.)
     An order of birds, including only the penguins, in which the
     wings are without quills, and not suited for flight.
     [1913 Webster]