Other forms: carpools
A carpool is an arrangement to share one car for regular journeys. Join a carpool.
It cuts cost and traffic at once, which is why some cities give a whole lane to it. A carpool fails on flexibility rather than on money, since one late person spoils it.
1nouncarpoolAn arrangement to share one car for regular journeys.
“The carpool ran for six years and saved everybody a fortune.”
carpool is an arrangement.
Car plus pool, in the sense of a shared resource.
From car + pool.
Etymology from Wiktionary, CC BY-SA