[ proh-ven-trik-yuh-luh s ]
/ ˌproʊ vɛnˈtrɪk yə ləs /

noun, plural pro·ven·tric·u·li [proh-ven-trik-yuh-lahy] /ˌproʊ vɛnˈtrɪk yəˌlaɪ/.

the glandular portion of the stomach of birds, in which food is partially digested before passing to the ventriculus or gizzard.
a similar enlargement in the alimentary tract of several invertebrates, variously modified for maceration and digestion.

Origin of proventriculus

First recorded in 1825–35; pro-1 + ventriculus
Related formspro·ven·tric·u·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for proventriculus

British Dictionary definitions for proventriculus


/ (ˌprəʊvɛnˈtrɪkjʊləs) /

noun plural -triculi (-ˈtrɪkjʊˌlaɪ)

the first part of the stomach of birds, the gizzard
the thick muscular stomach of crustaceans and insects; gizzard
Derived Formsproventricular, adjective

Word Origin for proventriculus

C19: from New Latin, from Latin pro- 1 + ventriculus little belly, from venter belly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012