What is the meaning of pit?

noun

• A sizeable hole (usually in the ground. )
  • usage: "they dug a pit to bury the body"
  • synonyms: cavity
• A concavity in a surface (especially an anatomical depression.
  • synonyms: fossa
• The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives. that contains the seed)
  • usage: "you should remove the stones from prunes before cooking"
  • synonyms: stone, endocarp
• Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment. ( "Hurl'd headlong... To bottomless perdition, there to dwell- John Milton; "a demon from the depths of the pit"; "Hell is paved with good intentions-Dr. Johnson
  • synonyms: Hell, perdition, Inferno, infernal region, nether region
• An enclosure in which animals are made to fight.
• Commodity exchange. ( the part of the floor of a commodity exchange where trading in a particular commodity is carried on)
• Auto racing. ( an area at the side of a racetrack where the race cars are serviced and refueled)
• A trap in the form of a concealed hole.
  • synonyms: pitfall
• A surface excavation for extracting stone or slate.
  • usage: "a British term for `quarry' is `stone pit'"
  • synonyms: quarry, stone pit
• Lowered area in front of a stage where an orchestra accompanies the performers.
  • synonyms: orchestra pit
• A workplace consisting of a coal mine plus all the buildings and equipment connected with it.
  • synonyms: colliery

verb

• Set into opposition or rivalry.
  • usage: "let them match their best athletes against ours"; "pit a chess player against the Russian champion"; "He plays his two children off against each other"
  • synonyms: oppose, match, play off
• Mark with a scar.
  • usage: "The skin disease scarred his face permanently"
  • synonyms: scar, mark, pock
• Remove the pits from.
  • usage: "pit plums and cherries"
  • synonyms: stone