<p><strong>Noun</strong></p><ul><li>A naturally formed or excavated hole or cavity in the ground: pits caused by erosion; clay pits.</li><li>A covered or concealed excavation in the ground, serving as a trap.</li><li>An excavation made in exploring for or removing a mineral deposit, as by open-cut methods.</li><li>The shaft of a coal mine.</li><li>The mine itself.</li><li>The abode of evil spirits and lost souls; hell: an evil inspiration from the pit.</li><li>An extremely unpleasant, boring, or depressing place, condition, person, etc.; the absolute worst: When you're alone, Christmas is the pits.</li><li>A hollow or indentation in a surface: glass flawed by pits.</li><li>A natural hollow or depression in the body: the pit of the back.</li><li>The armpits: up to my pits in work.</li><li>A small, depressed scar, as one of those left on the skin after smallpox or chickenpox.</li><li>An enclosure, usually below the level of the spectators, as for staging fights between dogs, cocks, or, formerly, bears.</li><li>A part of the floor of a commodity exchange where trading in a particular commodity takes place: the corn pit.</li><li>All that part of the main floor of a theater behind the musicians.</li><li>The main floor of a theater behind the stalls.</li><li>A space below the level of the lowest floor served (in a hoistway).</li><li>An area at the side of a track, for servicing and refueling the cars (in auto racing).</li><li>The sunken area of a bowling alley behind the pins, for the placement or recovery of pins that have been knocked down.</li><li>The area forward of the takeoff point in a jumping event, filled with sawdust or soft earth to lessen the force of the jumper's landing.</li><li>The area or room of a casino containing gambling tables.</li></ul><p><strong>Verb</strong></p><ul><li>To mark or indent with pits or depressions: ground pitted by erosion.</li><li>To scar with pockmarks: His forehead was pitted by chickenpox.</li><li>To place or bury in a pit, as for storage.</li><li>To set in opposition or combat, as one against another.</li><li>To put (animals) in a pit or enclosure for fighting.</li></ul><p><strong>Adjective</strong></p><ul><li>Marked by pits or depressions.</li></ul>