egestion

1 of 2

noun

: the act or process of discharging undigested or waste material from a cell or organism
specifically : defecation
-ed/-ing/-s
: to cast out (indigestible matter) from the digestive tract
broadly : to rid the body of (waste matter) by any normal route (such as the skin, lungs, or kidneys)

Word History

Etymology

Noun

Middle English egestioun, borrowed from Middle French & Latin; Middle French egestion, borrowed from Latin ēgestiōn-, ēgestiō, from ēges-, variant stem of ēgerere "to carry away, remove, discharge" (from ē- e- entry 1 + gerere "to carry, bear") + -tiōn-, -tiō, suffix of verbal action — more at jest entry 1

Transitive verb

Latin egestus, past participle of egerere to carry outside, discharge, from e- + gerere to carry, bear

First Known Use

Noun

1547, in the meaning defined above

Time Traveler
The first known use of egestion was in 1547

Browse Nearby Words

Cite this Entry

“Egestion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/egestion. Accessed 7 Jul. 2026.

Medical Definition

: the act or process of discharging undigested or waste material from a cell or organism
specifically : defecation

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