from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See swimmeret.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of the abdominal legs of a crustacean.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the abdominal legs of a crustacean. See Illust. under crustacea.

from The Century Dictionary and Cyclopedia

  • n. One of the abdominal limbs of a crustacean; a swimmeret.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming


ple- (“swimming”) + -o- + -pod (“foot”) (Wiktionary)


  • Cyrtomaia micronesica is different than its closest relative (Cyrtomaia cornuta from New Caledonia) by shorter basal antennal spines, longer chelipeds, varied male meri and pleopod and a varied carapace.

    Archive 2007-02-01

  • This is a composite image of the 1st pair of pleopods and the outer branch (exopodite) of the right (animal's left) pair that came apart during the removal operation (each pleopod has an outer and an inner branch).

    Penis of an isopod

  • On males, the fourth pleopod is long and specialized for mating.

    Featured Articles - Encyclopedia of Earth


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