Definitions

from The Century Dictionary.

  • noun In ornithology, the entire upper surface of a bird's trunk: opposed to gastræum. See cut under bird.
  • noun In conchology, a dorsal buckler, analogous to the mantle, developed in opisthobranchiate gastropods. Also noteum.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) The back or upper surface, as of a bird.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology The back or upper surface, as of a bird.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek relating to the notum or back.

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Examples

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