driving seat

(rare, usually non-native speakers' English) A person who has a driver's license but never drives.

Alternative form of few sandwiches short of a picnic

Synonym of cab (compartment at the front of a truck or train for the driver).

plural of driver's compartment

past participle of back-seat drive

(aerospace) A proposed kind of electromagnetic catapult that could be used for space launches without the need for a rocket.

A person who has not yet earned a driving license, and until then is allowed to drive only a marked car with a licensed driving instructor in the passenger seat.