The bottom part of something.
A mine.
A hole or trench in the ground, excavated according to grid coordinates, so that the provenance of any feature observed and any specimen or artifact revealed may be established by precise measurement.
Armpit.
A mosh pit.
Formerly, that part of a theatre, on the floor of the house, below the level of the stage and behind the orchestra; now, in England, commonly the part behind the stalls; in the United States, the parquet; also, the occupants of such a part of a theatre.
An undesirable location, especially an unclean one.
A section of the marching band containing mallet percussion instruments and other large percussion instruments too large to march, such as the tam tam. Also, the area on the sidelines where these instruments are placed.
A bed.
A luggage hold.
A shell in a drupe containing a seed.
A hole in the ground.
The emergency department.
The core of an implosion nuclear weapon, consisting of the fissile material and any neutron reflector or tamper bonded to it.
A pit bull terrier.
A seed inside a fruit; a stone or pip inside a fruit.
An area at a racetrack used for refueling and repairing the vehicles during a race.
Part of a casino which typically holds tables for blackjack, craps, roulette, and other games.
A trading pit.
A small surface hole or depression, a fossa.
The center of the line.
Only used in the pits.
The grave, underworld or Hell.
The indented mark left by a pustule, as in smallpox.
An enclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are trained to kill rats.
To make pits in; to mark with little hollows.
To put (an animal) into a pit for fighting.
To return to the pits during a race for refuelling, tyre changes, repairs etc.
To remove the stone from a stone fruit or the shell from a drupe.
To bring (something) into opposition with something else.
The floor or bottom of the sea or ocean.