Definitions

from The Century Dictionary.

  • noun In anatomy, the piece or pieces of a breast-bone which has several segments lying between the presternum and the xiphisternum: said chiefly of the segmented sternum of mammals.
  • noun In entomology, the ventral or sternal sclerite of the mesothorax; the under side of the mesothorax, opposite the mesonotum.

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

  • noun (Anat.) The middle portion, or body, of the sternum.
  • noun (Zoöl.) The ventral piece of the middle segment of the thorax in insects.

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

  • noun anatomy The middle portion, or body, of the sternum.
  • noun entomology The ventral piece of the middle segment of the thorax.

Etymologies

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