rolldown adjective 1noun 1forms 1 adjective1 •Capable of being rolled down.Then he rolled down the wooden blinds inside, opened the door and pulled halfway down the metal rolldown shutter outside. — 1992 noun[before a noun]1 •An older form of pinball where the player rolls a ball manually down the table rather than propelling it onto the table with a plunger.Attracted by game operation, many invested heavily in pins and rolldowns prior to last spring. — 1949 formsrolldowns