: 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

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According to Eustis the spill threatens a range of species including black terns, bottlenose dolphins, larval yellowfin tuna, marsh birds, spring pogies, and young fish migrating into the estuaries for spring growth. Dan Ruetenik, CBS News, 2 May 2025 After a successful nesting season drew over 200 endangered fairy terns, something began to go wrong. Scott Travers, Forbes.com, 26 Apr. 2025 During the journey, participants can keep their eyes peeled for a wide variety of avian species spanning from the black-legged kittiwake to the razorbill to the Caspian tern, and to sweeten the deal, the surrounding waters are also brimming with humpback whales from early summer to late fall. Jared Ranahan, Forbes, 9 Mar. 2025 Those birds, following Lake Michigan’s shoreline, include raptors, waterfowl, gulls, terns and shorebirds. Joseph States, Chicago Tribune, 3 Mar. 2025 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 11 May. 2025.

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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