pro·​ven·​tric·​u·​lus | \ ˌprō-ven-ˈtri-kyə-ləs How to pronounce proventriculus (audio) \
plural proventriculi\ ˌprō-​ven-​ˈtri-​kyə-​ˌlī How to pronounce proventriculus (audio) , -​ˌlē \

Definition of proventriculus

1 : the glandular or true stomach of a bird that is situated between the crop and gizzard
2 : a muscular dilatation of the foregut in most mandibulate insects that is armed internally with chitinous teeth or plates for grinding food
3 : the thin-walled sac in front of the gizzard of an earthworm

First Known Use of proventriculus

circa 1836, in the meaning defined at sense 1

History and Etymology for proventriculus

New Latin

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Time Traveler for proventriculus

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The first known use of proventriculus was circa 1836

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Cite this Entry

“Proventriculus.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for proventriculus


pro·​ven·​tric·​u·​lus | \ ˌprō-ven-ˈtrik-yə-ləs How to pronounce proventriculus (audio) \
plural proventriculi\ -​ˌlī How to pronounce proventriculus (audio) , -​ˌlē How to pronounce proventriculus (audio) \

Medical Definition of proventriculus

: the glandular or true stomach of a bird that is situated between the crop and gizzard

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