Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hydrostatic skeleton; a structure found in many cold-blooded organisms and soft-bodied animals, consisting of a fluid-filled cavity, the coelom, surrounded by muscles, and used in movement and changing shape.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

hydro- +‎ skeleton

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  • A hydrostatic skeleton or hydroskeleton is a structure found in many cold-blooded organisms and soft-bodied animals consisting of a fluid-filled cavity, the coelom, surrounded by muscles. The pressure of the fluid and action of the surrounding circular and longitudinal muscles are used to change an organism's shape and produce movement, such as burrowing or swimming. (Wikipedia)

    January 24, 2012