egestion

1 of 2

noun

eges·​tion i-ˈjes-chən How to pronounce egestion (audio)
-ˈjesh-
: the act or process of discharging undigested or waste material from a cell or organism
specifically : defecation
egest transitive verb
egestive adjective

egest

2 of 2

transitive verb

(ˈ)ē¦jest How to pronounce egest (audio)
ə̇ˈj-
-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 16 Jun. 2026.

Medical Definition

egestion

noun
eges·​tion i-ˈjes(h)-chən How to pronounce egestion (audio)
: the act or process of discharging undigested or waste material from a cell or organism
specifically : defecation
egest transitive verb
egestive adjective

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