noun
carpool
KAH-pool
noun
1
An arrangement in which several people share a car for regular trips, such as commuting, to save money or reduce traffic.
"She joined a carpool to cut down on her commuting costs."
verb
1
To share rides in a car with others on a regular basis.
"They carpool to work three days a week."
How to Use Carpool
Learner’s notesIn plain EnglishSharing a car with others for a regular trip, usually commuting, to split costs and reduce the number of cars on the road.
Common pairings
carpool lane
join a carpool
carpool to work
Word Forms
carpooled past tense, carpools plural, carpools singular
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She joined a _____ to cut down on her commuting costs.
Etymology
A straightforward blend of "car" and "pool," in the sense of pooling resources together.