I*sop"o*da\, n. pl. [NL. See Iso-, and -poda.] (Zo["o]l.) An order of sessile-eyed Crustacea, usually having seven pairs of legs, which are all similar in structure.

Note: The body is usually depressed, with the abdominal segments short, and often consolidated in part. The branchi[ae] are on the abdominal appendages. The group includes the terrestrial pill bugs and sow bugs, with numerous marine forms. See Arthrostrata, Gribble.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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