- 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.
Origin of sump
Examples from the Web for sump
Those vapors condense into a liquid later in the process and that “condensate” is collected in a storage area, called a sump.Oil Tankers Leaking into Seattle’s Water
October 13, 2014
Because, as he was prone to admit to himself, "dey was sump'in' in de unnerstannin'."The heart of happy hollow
Paul Laurence Dunbar
A manhole had to be put in the top and a sump in the bottom.Concrete Construction
Halbert P. Gillette
It may have been on the office sofa or it may have been in the sump.A Safety Match
But lemme tell ye, thar was more'n sump'n to eat in that bag!A Cumberland Vendetta
John Fox, Jr.
We've got a good quarter-mile of deep rock for the sump hole.The Thirst Quenchers
- 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
- British dialect a muddy pool or swamp
Word Origin and History for sump
early 15c., "marsh, morass," from Middle Dutch somp or Middle Low German sump, from Proto-Germanic *sumpaz. Meaning "pit to collect water" is first found 1650s.