from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See metamere.
- n. A segmental mass of mesoderm in the vertebrate embryo, occurring in pairs along the notochord and developing into muscles and vertebrae.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of the paired masses of mesoderm distributed along the sides of the neural tube that will eventually become dermis, skeletal muscle, or vertebrae.
- n. A metamere, one of a series of segments, arranged longitudinally, of which some animals are composed.
from the GNU version of the Collaborative International Dictionary of English
- n. One of the actual or ideal serial segments of which an animal, esp. an articulate or vertebrate, is composed; somatome; metamere.
from The Century Dictionary and Cyclopedia
- n. An actual somatome; any one morphological segment of an articulated body, such a body being viewed as composed of a longitudinal series of somites; an arthromere or metamere of an articulate invertebrate or a diarthromere of a vertebrate; such a segment considered with or without the appendages it may possess; in the latter restricted sense, a metamere minus its appendages, or a segment of the soma or trunk without the limbs it may bear.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one of a series of similar body segments into which some animals are divided longitudinally
Greek sōma, body; see soma1 + -ite1.(American Heritage® Dictionary of the English Language, Fourth Edition)
soma + -ite (Wiktionary)