gizzard

gizzard is a Noun

Definition:

[1] 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.

[2] A thick muscular stomach found in many invertebrate animals.

[3] A stomach armed with chitinous or shelly plates or teeth, as in certain insects and mollusks. Gizzard shad (Zoöl.), an American herring (Dorosoma cepedianum) resembling the shad, but of little value. -- To fret the gizzard, to harass; to vex one`s self; to worry. [Low] Hudibras. -- To stick in one`s gizzard, to be difficult of digestion; to be offensive. [Low]