- 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.
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.
No, sir, nothin' in 'tickler ain't de matter, 'ceppin' dat Miss Kitty had sump'n' ter tell you.Mingo|Joel Chandler Harris
When this pump is made, two beams are placed over the sump, one near the right side of it, and the other near the left.De Re Metallica|Georgius Agricola
That was the purpose of the four nuclear pumps in the sump hole.The Thirst Quenchers|Rick Raphael
An oil-filtering screen of large area covers the entire surface of the sump.Aviation Engines|Victor Wilfred Pag
Hit wuz so dark en eberbody wuz skeered, en I member a comet dat looked lak a big red ball en had sump'in lak a tail on hit.Slave Narratives: A Folk History of Slavery in the United States From Interviews with Former Slaves|Work Projects Administration
British Dictionary definitions for sump
- 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
Word Origin for sump
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.