pit

(noun) a sizeable hole (usually in the ground). Synonyms: cavity. Example: "They dug a pit to bury the body."

(noun) a concavity in a surface (especially an anatomical depression). Synonyms: fossa.

(noun) the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed. Synonyms: stone, endocarp. Example: "You should remove the stones from prunes before cooking."

(noun) (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment. Synonyms: Hell, perdition, Inferno, infernal region, nether region. Examples: "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."

(noun) an enclosure in which animals are made to fight.

(noun) (commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on.

(noun) (auto racing) an area at the side of a racetrack where the race cars are serviced and refueled.

(noun) a trap in the form of a concealed hole. Synonyms: pitfall.

(noun) a surface excavation for extracting stone or slate. Synonyms: quarry, stone pit. Example: "A british term for `quarry' is `stone pit'."

(noun) lowered area in front of a stage where an orchestra accompanies the performers. Synonyms: orchestra pit.

(noun) a workplace consisting of a coal mine plus all the buildings and equipment connected with it. Synonyms: colliery.

(verb) set into opposition or rivalry. Synonyms: oppose, match, play off. Examples: "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."

(verb) mark with a scar. Synonyms: scar, mark, pock. Example: "The skin disease scarred his face permanently."

(verb) remove the pits from. Synonyms: stone. Example: "Pit plums and cherries."