porcupine

noun

por·​cu·​pine ˈpȯr-kyə-ˌpīn 

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

Examples of porcupine in a Sentence

Recent Examples on the Web

This tiny porcupine was born with weak hind legs, but with bottle feeds and daily workouts, his comeback is spike-tacular! —Ronnie Li, USA Today, 4 Sep. 2025

Could be like a porcupine quill, right? —Quanta Magazine, 21 Aug. 2025

Others kick hairs onto the awaiting hands like porcupines. —Lauren Penington, Denver Post, 18 Aug. 2025

The species hunts and eats small prey including mice, voles, squirrels, and rabbits, as well as birds, insects, and even porcupines. —Stephen Underwood, Hartford Courant, 5 Aug. 2025

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

Phrases Containing porcupine

• porcupine fish

Rhymes for porcupine

• acridine
• alkaline
• andesine
• anodyne
• anticline
• arginine
• asinine
• atropine
• benzidine
• borderline
• byzantine
• calamine

Kids Definition

porcupine

noun

por·​cu·​pine ˈpȯr-kyə-ˌpīn 

: 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