Noun
1. a sizeable hole (usually in the ground);
"they dug a pit to bury the body"2. a concavity in a surface (especially an anatomical depression)
3. the 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"4. a trap in the form of a concealed hole
5. a surface excavation for extracting stone or slate;
"a British term for `quarry' is `stone pit'"6. lowered area in front of a stage where an orchestra accompanies the performers
7. a workplace consisting of a coal mine plus all the buildings and equipment connected with it