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impennes |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Impennes \Im*pen"nes\, n. pl [NL., fr L. pref. im- not + penna feather.] (Zo["o]l.) An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.