from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a segments of the body of an animal, generally the rearmost one
from the GNU version of the Collaborative International Dictionary of English
- n. One of the component segments of the body of an animal.
from The Century Dictionary and Cyclopedia
- n. The posterior part of the body of a cephalopod, which is enveloped in the mantle and contains the viscera.
- n. In some crustaceans, as the amphipods, the first three segments of the pleon or abdomen. Compare mesosome and urosome.
From meta- ("beyond, after") + -some ("body, segment") (Wiktionary)