groundhog

UK: /ˈgraʊndhɒg/

US: /ˈgraʊndˌhɔg, -ˌhɑg/

US: (ground′hog′, -hôg)

WordReference Random House Learner's Dictionary of American English © 2026

ground•hog /ˈgraʊndˌhɔg, -ˌhɑg/   n. 

1. Mammals woodchuck.

WordReference Random House Unabridged Dictionary of American English © 2026

ground•hog  (ground′hog′, -hôg), n. 

1. Mammals woodchuck.

Also, ground′ hog′. 

• ground¹ + hog 1650–60, American.

Collins Concise English Dictionary © HarperCollins Publishers::

groundhog / ˈɡraʊndˌhɒɡ/ noun

1. another name for woodchuck

WordReference Random House Learner's Dictionary of American English © 2026

wood•chuck /ˈwʊdˌtʃʌk/   n. [countable]

1. Mammals a stocky North American animal that burrows in holes and hibernates in the winter.Also called groundhog. 

WordReference Random House Unabridged Dictionary of American English © 2026

wood•chuck  (wŏŏd′chuk′), n. 

1. Mammals a stocky North American burrowing rodent, Marmota monax, that hibernates in the winter. Also called chuck, groundhog. 

• 1665–75, American; presumably a reshaping by folk etymology, etymological of a word in a Southern New England Algonquian language; compare Narragansett (English spelling, spelled) ockqutchaun woodchuck