Meaning & use
chock
A wedge or block placed against something, such as a wheel, to stop it from moving.
See it in a sentence
The mechanic placed a chock behind the truck's rear wheel before working underneath it.
Sailors used wooden chocks to keep the barrels from rolling across the deck.
A note on using this word
Chock also appears in the phrase 'chock-full,' meaning completely full, which is unrelated to the wedge sense.
Words with a similar meaning
wedgeblock
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Make it your own
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