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4th stomach


the 4th compartment of the stomach of a ruminant; the one where digestion takes place


animal noun (animals and microorganisms)


4th stomachs

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Original source:

Princeton WordNet

Definition references  (+images)


Abomasum | maw | rennet-bag | reed tripe

the fourth and final stomach compartment in ruminants. It secretes rennet, which is used in cheese creation. The word abomasum is from New Latin and it was first used in English in 1706. It comes from Latin ab- + omasum "intestine of an ox," and it's ... (46 of 288 words, 1 image)


American Heritage Dictionary:

abomasum | abomasa [plural] | abomasal [adjective, related]

The fourth division of the stomach in ruminant animals, such as cows, sheep, and deer, in which digestion takes place. (20 of 33 words, pronunciations, 1 image)


New World Dictionary:

abomasum | abomasumasa [plural]

the fourth, or digesting, chamber of the stomach of a cud-chewing animal, as the cow (15 of 26 words, pronunciations, 1 image)


Collins Dictionary:

abomasum | abomasus [zoology]

the fourth and last compartment of the stomach of ruminants, which receives and digests food from the psalterium and passes it on to the small ... (25 of 267 words, pronunciation)


Oxford Dictionary:

abomasum | abomasa [plural]

Syllabification: (ab·o·ma·sum) | [zoology] | the fourth stomach of a ruminant, which receives food from the omasum and passes it to the small ... (21 of 56 words, 3 definitions, pronunciations)

oxforddictionaries​.com​/definition​/american english​/abomasum

abomasum [zoology] | abomasa [plural]

the fourth stomach of a ruminant, which receives food from the omasum and passes it to the small intestine (19 of 53 words, pronunciations)




the fourth compartment of the ruminant stomach that follows the omasum and has a true digestive function (17 of 45 words, pronunciations)


Random House Dictionary:

abomasum | abomasa [plural] | abomasus | abomasusi [plural]

the fourth or true stomach of cud-chewing animals, lying next to the omasum. (13 of 26 words, pronunciations)



abomasum [anatomy] | abomasa [plural] | abomasus | rennet stomach [synonym] | abomasums [plural]

The fourth or digestive stomach of a ruminant, which leads from the third stomach, the omasum. (16 of 22 words, pronunciation)


Britannica Encyclopedia:

ruminant [suborder of mammals]

any mammal of the suborder Ruminantia, which includes the pronghorns, giraffes, okapis, deer, chevrotains, cattle, antelopes, sheep, and goats. Most ... (20 of 125 words, 2 images)


Columbia Encyclopedia:


any of a group of hooved mammals that chew their cud, i.e., that regurgitate and chew again food that has already been swallowed. Ruminants have an ... (26 of 106 words)


Macmillan British Dictionary:

ruminant [countable, biology] | ruminants [plural]

an animal such as a cow or a sheep that brings food back from its stomach into its mouth to chew it (=break it into small pieces with its teeth) a ... (31 of 59 words, pronunciation)


Cambridge Dictionary:

ruminant [specialized]

a type of animal which brings up food from its stomach and chews it again, for example a cow, sheep, or deer (22 of 30 words, pronunciation)


Encarta Dictionary:

abomasum | abomasa [plural]

the fourth and final chamber of the digestive system of cattle and other ruminants, where enzymatic or true digestion takes place (21 of 39 words, pronunciations)

encarta​.msn​.com​/dictionary 1861583032​/definition​.html  [offline]

Page last updated: 2013-06-26

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