from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A modified muscular pouch behind the stomach in the alimentary canal of birds, having a thick lining and often containing ingested grit that aids in the breakdown of seeds before digestion.
- n. A similar digestive organ found in certain invertebrates, such as the earthworm.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A portion of the esophagus of either a bird or an annelid that contains ingested grit and is used to grind up ingested food before it is transferred to the stomach.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. A thick muscular stomach found in many invertebrate animals.
- n. A stomach armed with chitinous or shelly plates or teeth, as in certain insects and mollusks.
from The Century Dictionary and Cyclopedia
- n. The second stomach of a bird, not counting the crop or craw as the first; the bulbous or muscular stomach (ventriculus bulbosus), succeeding the proventriculus and succeeded by the duodenum; the gigerium.
- n. The proventriculus or first true stomach of insects, generally armed inside with horny teeth. See cut under Blattidæ.—
- n. The stomach of some mollusks, as Bullidæ, when muscular and hardened.—
- n. Figuratively, temper: now only in the phrase to fret one's gizzard.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. thick-walled muscular pouch below the crop in many birds and reptiles for grinding food
The CEO of Redfin, the large venture-backed real estate company, describes what he calls "gizzard squeezers" who work for investment banks and are supposed to tell you when it's a good time to raise money.
You may often see the Turkeys, Pheasants, Peacocks, and other birds of this Hen-family, scratching up the gravel; and you know, I daresay, that grain-eating birds have a little mill inside them called a gizzard, which grinds their food for them.
It is in the region of the umbilicus, _u_, and the extreme caudal end of the stomach which has been called the gizzard, _gz_.
One part of my stomach is called a gizzard and its duty is to grind and crush my food so that it may be digested.
The stomach which receives it, and which is called the gizzard, is quite a different sort of thing from a useless membrane, thin and delicate like ours.
Birds, whom nature has deprived of teeth, have a strong muscular stomach, called the gizzard, which serves the purposes of teeth, and they even take into the stomach small pieces of grit, to assist in grinding to a powder the grain that they have swallowed.
Digestion begins when food passes down an elastic, tube-like structure called the gizzard (a sack filled with sand and small rocks that with muscular contractions grinds the food with the digestive juices).
The gizzard is a muscular portion of the gut that can be found in earthworms and most birds.
And if that is true of the "gizzard" it is likewise true of the brain.
Mr. Pendyce's fight with his burning stable had stuck in the farmer's "gizzard" ever since.
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