WordNet

set 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" (同)oppose, match, play off
a concavity in a surface (especially an anatomical depression) (同)fossa
remove the pits from; "pit plums and cherries" (同)stone
a trap in the form of a concealed hole (同)pitfall
a surface excavation for extracting stone or slate; "a British term for `quarry is `stone pit" (同)quarry, stone pit
(auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
(commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
an enclosure in which animals are made to fight
a sizeable hole (usually in the ground); "they dug a pit to bury the body" (同)cavity
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
the 16th letter of the Greek alphabet
venomous Old World snakes characterized by hollow venom-conducting fangs in the upper jaw
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head

PrepTutorEJDIC

(自然の,または掘った)『地面の穴』,『くぼみ』 / 《しばしば単数形で》《the pit》立て坑,採掘場 / 落とし穴 / 《単数形で》《the pit》《英》(劇場の)平土間(1階正面後部の安い料金の席全体を指す);平土間の観客;《米》(舞台手前の1段低くなった)オーケストラ席 / (身体や物の表面の自然にできた)くぼみ / 《しばしば複数形で》(傷・天然痘などでできた皮膚の)小さなくぼんだ跡,あばた / (動物を入れておく)囲い;闘鶏場(cockpit),闘犬場 / 《the ~》地獄(hell) / ピット / 自動車修理店などで,車体の下で作業するために床に設けたくぼみ / 《the pits》自動車レースで給油・タイヤ交換などの場所 / …‘に'点々と穴をあける;…‘を'あばたにする / (…と)…‘を'取り組ませる,対坑させる《+『名』+『against』+『名』》
(サクランボ・モモなどの)核,種(stone) / 〈果物〉‘から'種を取り除く
〈C〉パイ(ギリシア語アルファベットの第16字Π,π;英語のP,pに相当) / 〈U〉円周率(記号はπ)
ごちゃまぜの活字 / ごちゃまぜ,混乱
マムシ,毒蛇 / 意地の悪い人