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a pit, well, or the like in which water or other liquid is collected.
Machinery. a chamber at the bottom of a machine, pump, circulation system, etc., into which a fluid drains before recirculation or in which wastes gather before disposal.

a space where water is allowed to collect at the bottom of a shaft or below a passageway.
a pilot shaft or tunnel pushed out in front of a main bore.

British. crankcase.
British Dialect. a swamp, bog, or muddy pool.
a receptacle, such as the lower part of the crankcase of an internal-combustion engine, into which liquids, esp lubricants, can drain to form a reservoir
another name for cesspool

a depression at the bottom of a shaft where water collects before it is pumped away
the front portion of a shaft or tunnel, ahead of the main bore

(Brit, dialect) a muddy pool or swamp


Read Also:

  • Sump drain

    sump drain n. A drain consisting of a smaller tube within a larger tube through which fluid passes as a result of suction.

  • Sumph

    noun 1. (Scot) a stupid person; simpleton

  • Sump-pump

    noun 1. a pump for removing liquid or wastes from a sump.

  • Sumpsimus

    noun, plural sumpsimuses for 2. 1. adherence to or persistence in using a strictly correct term, holding to a precise practice, etc., as a rejection of an erroneous but more common form (opposed to mumpsimus). 2. a person who is obstinate or zealous about such strict correctness (opposed to mumpsimus).

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