porcupine

noun

por·​cu·​pine ˈpȯr-kyə-ˌpīn How to pronounce porcupine (audio)
plural porcupines also porcupine
: any of various relatively large slow-moving chiefly herbivorous rodents having sharp erectile spines mingled with the hair and constituting an Old World terrestrial family (Hystricidae) and a New World chiefly arboreal family (Erethizontidae)

Illustration of porcupine

Illustration of porcupine

Examples of porcupine 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.
In practical terms, becoming a porcupine means building up such national resilience that would-be aggressors think twice before engaging in an invasion that promises to be too costly to sustain. Daniel Byman, Foreign Affairs, 13 Mar. 2025 At another point in the video, a giraffe appears, reaching for a treetop, while there's also footage of a civet enjoying a snack and a porcupine displaying its quills. Thomas G. Moukawsher, Newsweek, 4 Mar. 2025 Even if Taiwan turned itself into the ultimate porcupine, China would probably respond by improving its own capabilities—not by gambling on an invasion. Jennifer Kavanagh, Foreign Affairs, 25 Feb. 2025 The porcupine is mainly nocturnal and feeds mostly on fruit. Stories By Real-Time News Team, With Ai Summarization, Miami Herald, 21 Feb. 2025 See All Example Sentences for porcupine

Word History

Etymology

Middle English porke despyne, from Middle French porc espin, from Old Italian porcospino, from Latin porcus pig + spina spine, prickle

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of porcupine was in the 15th century

Browse Nearby Words

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Cite this Entry

“Porcupine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porcupine. Accessed 9 Apr. 2025.

Kids Definition

porcupine

noun
por·​cu·​pine ˈpȯr-kyə-ˌpīn How to pronounce porcupine (audio)
: any of various rather large slow-moving mostly plant-eating rodents with stiff sharp quills among the hairs on the body
Etymology

Middle English porke despyne "porcupine," from early French porc espin, literally, "thorny pig," derived from Latin porcus "pig" and spina "spine, prickle" — related to pork, porpoise, spine see Word History at porpoise

Geographical Definition

Porcupine

geographical name

river 448 miles (721 kilometers) long in northern Yukon and northeastern Alaska flowing north and west into the Yukon River

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