C2a large hole in the ground, or a slightly low area in any surface: They'd dug a shallow pit and left the bodies in it.These pits in my skin are from when I had chickenpox.→ See alsoarmpit, sandpitCaves, cracks and crevicesHoles, hollows and dips›a coal mine or an area of land from which a natural substance is taken by digging: The coal-mining industry wants new pits to be opened.a gravel/chalk pitMining and quarrying›slanga very untidy or dirty place: I'm afraid my room is a complete pit!Unpleasant placesPlaces and locationsthe pit[S]›in a theatre, the seats at the lowest level, or the orchestra pitTheatre auditorium and front-of-housethe pits[plural]›informalsomething that is of extremely low quality: The hotel we stayed in was the pits!Informal words for badRubbish and wasteSerious and unpleasantNot of good quality›the area next to a motor race track where the cars are given fuel or repaired during a raceMotor racing