dewlap

noun

1
: a fold or flap of skin on the neck of some animals: such as
a
: loose skin hanging under the neck of dogs and cattle of some breeds see cow illustration
b
: a usually brightly colored extensible flap of skin on the throat of a lizard (such as an anole)
2
: loose flesh on the human throat
dewlapped adjective

Examples of dewlap in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The female often sports a white dorsal stripe along her back, while the male displays a larger throat fan, or dewlap, that’s bright red and three times the size of the female’s fan. — René A. Guzman, ExpressNews.com, 12 Aug. 2020 Dewlap colorThe dewlap, a flap of skin under the chin of maleanoles, unfolds to attract mates and warn rivals. — Elizabeth Pennisi, Science | AAAS, 30 July 2020 When confronted, the iguana extends the fold of skin beneath her neck, known as a dewlap, as a way to warn off intruders. — National Geographic, 3 Mar. 2020 To watch the youngsters aged 7- to 18-years-old hold the leads, use their hips to persuade a heifer to move or stop, hold its dewlap for control, keep its front feet in line, or its back legs apart, is a study in animal husbandry. — Denise Coffey, courant.com, 7 Aug. 2019 Fire burst from its open mouth, its eyes glowed with a smouldering glare, its muzzle and hackles and dewlap were outlined in flickering flame. — Charles P. Pierce, Esquire, 23 Feb. 2018

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of dewlap was in the 14th century

Browse Nearby Words

Cite this Entry

“Dewlap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dewlap. Accessed 5 Oct. 2026.

Kids Definition

: loose skin hanging under the neck of various animals (as dogs or cattle of some breeds)

Medical Definition

: loose skin hanging under the neck especially of a bovine animal

More from Merriam-Webster on dewlap

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!