water column

noun

plural water columns
1
: a vertical expanse of water stretching between the surface and the floor of a body of water
Shallow feeders, sea lions work the top 600 feet of the water column for hake, rock-fish, herring, sardines … and squid, but opportunistically capturing anything that happens by. Downs Matthews
Only a few animals of the water column above would have died and settled into the sediments below during the short time when the mudslide was coalescing into a layer of sediment in the stagnant basin. Stephen Jay Gould
2
: a vertical pipe with valves and spout for delivering water to a locomotive tender

Word History

First Known Use

1845, in the meaning defined at sense 1

Time Traveler
The first known use of water column was in 1845

Dictionary Entries Near water column

Cite this Entry

“Water column.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20column. Accessed 3 Dec. 2022.

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