Sentence:  This fact may seem surprising since the major movie studios, reluctant to risk cheapening their images by releasing first-run films to <WSD>drive-ins</WSD>, made only older movies affordable to <WSD>drive-in</WSD> operators. 
Meaning of the word marked with <WSD> tags:  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.