Open English Wordnet
Nouns
(n)pit, cavitya sizeable hole (usually in the ground)“they dug a pit to bury the body” (n)pit, fossaa concavity in a surface (especially an anatomical depression) (n)stone, pit, endocarpthe hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed“you should remove the stones from prunes before cooking” (n)Hell, perdition, Inferno, infernal region, nether region, pit(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) (n)pitan enclosure in which animals are made to fight (n)pit(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on (n)pit(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled (n)pit, pitfalla trap in the form of a concealed hole (n)pit, quarry, stone pita surface excavation for extracting stone or slate“a British term for ‘quarry’ is ‘stone pit’” (n)orchestra pit, pitlowered area in front of a stage where an orchestra accompanies the performers (n)colliery, pita workplace consisting of a coal mine plus all the buildings and equipment connected with it Verbs
(v)pit, oppose, match, play offset into opposition or rivalry“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” (v)scar, mark, pock, pitmark with a scar“The skin disease scarred his face permanently” (v)pit, stoneremove the pits from“pit plums and cherries”