car-seatcar-seat (plural car-seats) Alternative form of car seat. 1874, M. D. Leggett et al., Subject-Matter Index of Patents for Inventions Issued by the United
car seatSee also: carseat carseat, car-seat car seat (plural car seats) A seat in a motor car. Synonym of child safety seat. 2021 January 13, Stephen Joseph Dubner
child car seatchild car seat (plural child car seats) Synonym of child safety seat. 1997 December 22, John Boyle et al., “1996 Motor Vehicle Occupant Safety Survey”
car safety seatcar safety seat (plural car safety seats) Synonym of child safety seat. 1962, Irish Industry: The Industrial and Business Journal of Ireland, volume 30