dreissena Meaning, Definition & Usage

  1. noun zebra mussels
    genus Dreissena.

WordNet

Dreis"se*na noun
Etymology
NL. Named after Dreyssen, a Belgian physician.
Definitions
  1. (Zoöl.) A genus of bivalve shells of which one species (D. polymorpha) is often so abundant as to be very troublesome in the fresh waters of Europe.

Webster 1913