Proventriulus
Pronunciation : Pro`ven*tri"u*lus
Part of Speech : n.
Etymology : [NL. See Pro-, and Ventricle.] (Anat.)
Definition : Defn: The glandular stomach of birds, situated just above the crop.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder