Webster's Revised Unabridged Dictionary · 1913

Pit

Pit , noun

[Old English pit, put, Anglo-Saxon pytt a pit, hole, Latin puteus a well, pit.]

1.
A large cavity or hole in the ground, either natural or artificial; a cavity in the surface of a body; an indentation
(a)
The shaft of a coal mine; a coal pit.
(b)
A large hole in the ground from which material is dug or quarried; as, a stone pit; a gravel pit; or in which material is made by burning; as, a lime pit; a charcoal pit.
(c)
A vat sunk in the ground; as, a tan pit.
Tumble me into some loathsome pit. — Shakespeare
2.
Any abyss; especially, the grave, or hades.
Back to the infernal pit I drag thee chained. — Milton
He keepth back his soul from the pit. — Job xxxiii. 18
3.
A covered deep hole for entrapping wild beasts; a pitfall; hence, a trap; a snare. Also used figuratively.
The anointed of the Lord was taken in their pits. — Lam. iv. 20
4.
A depression or hollow in the surface of the human body
(a)
The hollow place under the shoulder or arm; the axilla, or armpit.
(b)
See Pit of the stomach (below).
(c)
The indentation or mark left by a pustule, as in smallpox.
5.
Formerly, that part of a theater, 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 theater.
6.
An inclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are trained to kill rats.
As fiercely as two gamecocks in the pit. — Locke
7.
(a) (Botany) The endocarp of a drupe, and its contained seed or seeds; a stone; as, a peach pit; a cherry pit, etc.
(b)
(Botany) A depression or thin spot in the wall of a duct.
Collocations (11)
Cold pit (Horticulture) , an excavation in the earth, lined with masonry or boards, and covered with glass, but not artificially heated, -- used in winter for the storing and protection of half-hardly plants, and sometimes in the spring as a forcing bed.
Pit coal , coal dug from the earth; mineral coal.
Pit frame , the framework over the shaft of a coal mine.
Pit head , the surface of the ground at the mouth of a pit or mine.
Pit kiln , an oven for coking coal.
Pit martin (Zoology) , the bank swallow. [Provincial English]
Pit of the stomach (Anatomy) , the depression on the middle line of the epigastric region of the abdomen at the lower end of the sternum; the infrasternal depression.
Pit saw (Mechanics) , a saw worked by two men, one of whom stands on the log and the other beneath it. The place of the latter is often in a pit, whence the name.
pit stop , See pit stop in the vocabulary.
Pit viper (Zoology) , any viperine snake having a deep pit on each side of the snout. The rattlesnake and copperhead are examples.
Working pit (Mineralogy) , a shaft in which the ore is hoisted and the workmen carried; -- in distinction from a shaft used for the pumps.

Pit , transitive verb

1.
To place or put into a pit or hole.
They lived like beasts, and were pitted like beasts, tumbled into the grave. — T. Grander
2.
To mark with little hollows, as by various pustules; as, a face pitted by smallpox.
3.
To introduce as an antagonist; to set forward for or in a contest; as, to pit one dog against another.