common tern

noun

Definition of common tern

: a widely-distributed, medium-sized tern (Sterna hirundo) with a white, deeply forked tail and during the breeding season a black cap, orange-red black-tipped bill, and orange-red feet
  • Roseate terns can be differentiated from common terns by their lighter gray backs and wings, longer outer tail feathers that extend past wing tips when sitting, longer, red-orange legs, and, at the beginning of the breeding season, by their black bills.
  • —Paul E. KandarianThe Boston Globe29 Sept. 2002

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First Known Use of common tern

1785


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