- The second, or true, muscular stomach of birds, in which
the food is crushed and ground, after being softened in the glandular
stomach (crop), or lower part of the esophagus; the gigerium. - A thick muscular stomach found in many invertebrate
animals. - A stomach armed with chitinous or shelly plates or teeth,
as in certain insects and mollusks.
Definition
[ n.]