(definition) by Webster 1913 Tue Dec 21 1999 at 21:54:42

Ar`thro*gas"tra (#), n. pl. [NL., fr. Gr. joint + stomach.] Zool.

A division of the Arachnida, having the abdomen annulated, including the scorpions, harvestmen, etc.; pedipalpi.

 

© Webster 1913.

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