Meaning of CARPOOL in English

CARPOOL

car ‧ pool BrE AmE , car-pool /ˈkɑːpuːl $ ˈkɑːr-/ verb [intransitive] especially American English

if a group of people carpool, they travel together to work, school etc in one car and share the cost

—carpooling noun [uncountable]

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.