: any of various chiefly marine birds (subfamily Sterninae of the family Laridae and especially genus Sterna) that differ from the related gulls in usually smaller size, a more slender build, a sharply pointed bill, narrower wings, and an often forked tail
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Stoltzfus and his team are deeply involved in protecting the broader Platte River ecosystem, a vital habitat that supports more than 240 species, including terns and bald eagles, year-round.—Arati Menon, Condé Nast Traveler, 7 June 2026 Located in the wetlands of the San Francisco Bay, the 376-acre Ravenswood preserve is home to wildlife including migrating shorebirds such as dowitchers, American avocets and terns.—Anne Gelhaus, Mercury News, 12 Apr. 2026 The ribbons also help bird-watchers keep track of the white terns, as does an online map.—ABC News, 1 Apr. 2026 The most endangered is the New Zealand fairy tern, tara iti, with a population of less than 50, including 10 breeding females.—Tom Page, CNN Money, 19 Mar. 2026 See All Example Sentences for tern
: any of numerous sea birds that often have a forked tail, black cap, and white or gray body and that in comparison to the related gulls have a smaller and slenderer body and bill and narrower wings