• Webster's Revised Unabridged Dictionary
    • n. pl Oxyrhyncha (Zoöl) The maioid crabs.
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Century Dictionary and Cyclopedia
    • oxyrhyncha A superfamily of brachyurous decapod crustaceans, having usually a triangular cephalothorax with projecting rostrum (whence the name), nine pairs of gills, and the male genital pores on the last pair of thoracic legs; the maioid crabs. The species crawl about, but do not swim, and many of them are known as spider-crabs. Also called Maioidea.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. 'oxy`s sharp + snout