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18.190.156.13

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1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 E·ris·ta·lis n.  Zoöl. A genus of dipterous insects whose young (called rat-tailed larvæ) are remarkable for their long tapering tail, which spiracles at the tip, and for their ability to live in very impure and salt waters; -- also called drone fly.