资料来源 : pyDict

属於蜘蛛类的节肢动物

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Arachnid \A*rach"nid\, n.
   An arachnidan. --Huxley.

资料来源 : WordNet®

arachnid
     n : air-breathing arthropods characterized by simple eyes and
         four pairs of legs [syn: {arachnoid}]