nepa Meaning, Definition & Usage

  1. noun type genus of the Nepidae: typical elongate-oval water scorpions
    genus Nepa.

WordNet

Ne"pa noun
Etymology
L. nepa scorpion.
Definitions
  1. (Zoöl.) A genus of aquatic hemipterus insects. The species feed upon other insects and are noted for their voracity; -- called also scorpion bug and water scorpion.

Webster 1913