: 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

Illustration of tern

Illustration of tern

Examples of tern in a Sentence

Recent Examples on the Web
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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

Word History

Etymology

of Scandinavian origin; akin to Danish terne tern

First Known Use

1678, in the meaning defined above

Time Traveler
The first known use of tern was in 1678

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Cite this Entry

“Tern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tern. Accessed 15 Jun. 2026.

Kids Definition

tern

noun
: 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

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