1 [countable usually singular, uncountable]BF
the money that you pay to use a car, television, or other machine over a period of time
car/television/telephone etc rental
The price includes accommodation and car rental.
Video rental is usually £3.
line rental British English (=the money that you pay to use a telephone line)
2 [uncountable and countable]BBT
an arrangement to rent something for a period of time, or the act of doing this
rental contract/scheme/service etc
Could you sign the rental agreement?
3 [countable] especially American English
something that you rent, especially a house or car:
companies that provide rentals