Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of ptilopteri is as below...

Penguin :: Penguin (n.) Any bird of the order Impennes, or Ptilopteri. They are covered with short, thick feathers, almost scalelike on the wings, which are without true quills. They are unable to fly, but use their wings to aid in diving, in which they are very expert. See King penguin, under Jackass..

Ptilopteri :: Ptilopteri (n. pl.) An order of birds including only the penguins.

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