What is the meaning of Drive-in?

Providing service to patrons who remain in their automobiles and partake while parked.

motel; motor inn

An outdoor cinema where movies are projected onto a large screen and patrons watch from inside their vehicles, listening either by a speaker or a designated radio frequency.

A restaurant where patrons remain in their vehicles to consume their meals; the meal may be ordered and delivered to one's vehicle by a carhop waiter; or may require patrons to use a service counter. The cars in the parking lot serve as the patrons' dining room, there being a lack of dining rooms and tables.

A drive-through restaurant where patrons remain in their vehicles and order food and beverages via a speaker phone; the meal is delivered by a service window accessible by car.

drive-in (any establishment providing drive-in service)

drive-in

drive-in cinema or restaurant

drive-in (an outdoor cinema)

drive-in

drive-in

Source: wiktionary.org