Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One of the last pair of posterior abdominal appendages of certain crustaceans, such as the lobster or shrimp.

from The Century Dictionary.

  • noun Any abdominal limb of an arthropod; an appendage of the urosome.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) Any one of the abdominal appendages of a crustacean, especially one of the posterior ones, which are often larger than the rest, and different in structure, and are used chiefly in locomotion. See Illust. of crustacea, and stomapoda.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy either of the two posterior abdominal appendages of the lobster, shrimp and some other crustaceans

Etymologies

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

[uro– + –pod.]

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