[tʃɒk], (Noun)

Definitions:
- a wedge or block placed against a wheel or rounded object, to prevent it from moving
(e.g: their aircraft stood gently shuddering against their chocks)

- a ring with a gap at the top, through which a rope or line is run


Phrases:

Origin:
late 16th century: probably from an Old Northern French variant of Old French çoce (French souche) ‘block, log’, of unknown ultimate origin

[tʃɒk], (Verb)

Definitions:
- prevent the movement of (a wheel or vehicle) with a chock
(e.g: the front wheel will need to be chocked)


Phrases:

Origin:
late 16th century: probably from an Old Northern French variant of Old French çoce (French souche) ‘block, log’, of unknown ultimate origin