A framework or stand in or on which to hold, hang, or display various articles: a trophy rack; a rack for baseball bats in the dugout; a drying rack for laundry. Games A triangular frame for arranging billiard or pool balls at the start of a game. A receptacle for livestock feed. A frame for holding bombs in an aircraft. Slang A bunk; a bed. A toothed bar that meshes with a gearwheel, pinion, or other toothed machine part. A state of intense anguish. A cause of intense anguish. An instrument of torture on which the victim's body was stretched. A pair of antlers. To place (billiard balls, for example) in a rack. To cause great physical or mental suffering to: Pain racked his entire body. See Synonyms at afflict. To torture by means of the rack. rack out Slang To go to sleep or get some sleep. rack up Informal To accumulate or score: rack up points. on the rack Under great stress. A fast, flashy, four-beat gait of a horse in which each foot touches the ground separately and at equal intervals. To go or move in a rack. A thin mass of wind-driven clouds. To be driven by the wind; scud: low clouds racking by. Variant of wrack1. Variant of wrack2. To drain (wine or cider) from the dregs. A wholesale rib cut of lamb or veal between the shoulder and the loin. A retail rib cut of lamb or veal, prepared for roasting or for rib chops.