The definition of a penguin is a bird that lives in the southern hemisphere, cannot fly and has flippers and webbed feet.(noun)
An example of a penguin is a bird that waddles across the ice.
See penguin in Webster's New World College Dictionary
Origin: prob. < Welsh pen gwyn, lit., white head (or Bret pen gouin): ? in reference to a white headland on a N Atlantic island, near which they were found
See penguin in American Heritage Dictionary 4
Origin: Possibly from Welsh pen gwyn, White Head (name of an island in Newfoundland), great auk
Origin: : pen, chief, head
Origin: + gwynn, white; see weid- in Indo-European roots.
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