hook noun uk / hʊk / us Add to word list B2 [ C ] a curved piece of metal or plastic used for hanging something on, or a similar object used for catching fish:

a curved device used for catching or holding things, especially one attached to a surface for hanging things on: a coat / picture hook a boat hook a fish hook

hook (ho͝ok) n. 1. a. A curved or sharply bent device, usually of metal, used to catch, drag, suspend, or fasten something else.

hook 1 of 2 noun ˈhu̇k Synonyms of hook 1 a : a curved or bent device for catching, holding, or pulling