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Definition of cab
cab
/kæb/
cab
Plural:cabs
•Past Simple:cabbed
•Past Participle:cabbed
•Present Participle:cabbing
cab Lexical Profile
CEFR
A2
Grade
2
Tier
1
Usage
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Scrabble US
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WWF
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• noun
1
A car licensed to transport passengers in return for payment of a fare; a taxicab.
Example
"We had to hail a cab because it was raining too heavily to walk to the theater."
2
The enclosed compartment of a train, truck, or heavy machinery where the driver or operator sits.
Example
"The construction worker climbed into the cab of the excavator and started the engine."
Synonyms
View all synonyms for cab• verb
1
To travel by or take a taxicab.
Example
"Instead of waiting for the subway, they cabbed back to their hotel."
Synonyms
View all synonyms for cab• Rhymes for cab
Word Origin & Etymology
First used in the 1820s as a clipping of 'cabriolet', a type of horse-drawn carriage. The meaning extended to motorized taxis and eventually to the driver's compartment of large vehicles like trucks and trains.
Cite this Entry
Wordmom. (2026). Definition of Cab. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/cab