noun a sizeable hole (usually in the ground)
noun a concavity in a surface (especially an anatomical depression)
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
noun (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
noun a trap in the form of a concealed hole
noun lowered area in front of a stage where an orchestra accompanies the performers
noun a workplace consisting of a coal mine plus all the buildings and equipment connected with it
verb remove the pits from
Source: WordNet 3.1, Princeton University
