Meaning of sclerotome

scle•ro•tome

Pronunciation: (sklēr'u-tōm", skler'-), [key]
— n.
  1. the part of a mesodermal somite contributing to the development of the vertebrae and ribs.
  2. an instrument for use in performing a sclerotomy.
  3. a fibrous partition separating successive myotomes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.