- 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.
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Origin of sump
Words nearby sump
Example sentences 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