n. (鸟的)砂囊, 胃

[医] 砂囊

[ noun ]
thick-walled muscular pouch below the crop in many birds and reptiles for grinding food
<noun.animal>

Gizzard \Giz"zard\, n. [F. g['e]sier, L. gigeria, pl., the
cooked entrails of poultry. Cf. {Gigerium}.]
1. (Anat.) 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. (Zo["o]l.)
(a) A thick muscular stomach found in many invertebrate
animals.
(b) A stomach armed with chitinous or shelly plates or
teeth, as in certain insects and mollusks.

{Gizzard shad} (Zo["o]l.), 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]