Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A primitive alimentary cavity

from the GNU version of the Collaborative International Dictionary of English

  • n. The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. See Illust. under invagination.

from The Century Dictionary and Cyclopedia

  • n. The enteron (which see) in its original or primitive undifferentiated state: opposed to metenteron.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. central cavity of the gastrula; becomes the intestinal or digestive cavity

Etymologies

arch- from Latin archi- from Ancient Greek ἀρχι- (archi-) + enteron from Ancient Greek ἔντερον (enteron, "gut"). (Wiktionary)

Examples

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