• synonyms
British Dictionary definitions for metasoma


  1. zoology the posterior part of an arachnid's abdomen (opisthosoma) that never carries appendages
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for metasoma

Historical Examples

  • It is probable that we have in the metasoma of Limulus a case of the disappearance of once clearly demarcated somites.

    Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3


  • There is nothing among the trilobites comparable to the movable lateral spines of the metasoma of Limulus.