Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The triangular space under the beak of many brachiopod shells.

from the GNU version of the Collaborative International Dictionary of English

  • n. The triangular space under the beak of many brachiopod shells.

from The Century Dictionary and Cyclopedia

  • n. In zoology, the triangular space between the beak and the hinge of brachiopod shells. It is usually covered in by a shelly plate.
  • n. In the Brachiopoda, the convex or concave single plate which covers the delthyrium or pedicle-passage.

Etymologies

Latin, from Ancient Greek. See delta. (Wiktionary)

Examples

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  • a plethora of triangles! del-tedium

    November 27, 2009