Meaning of aculeus

a•cu•le•us

Pronunciation: (u-ky'lē-us) [key]
— pl. -le•i
  1. the modified ovipositor or sting of certain hymenopterous insects.
  2. prickle (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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