from the GNU version of the Collaborative International Dictionary of English
- n. A genus of aquatic hemipterous insects. The species feed upon other insects and are noted for their voracity; -- called also scorpion bug and water scorpion.
from The Century Dictionary and Cyclopedia
- n. The typical genus of bugs of the family Nepidæ, founded by Linnæus in 1748; the water-scorpions.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. type genus of the Nepidae: typical elongate-oval water scorpions
Sorry, no etymologies found.