ˌtanēəˈdāshēə noun plural
Usage: capitalized
Etymology: New Latin, from Tanaid-, Tanais, genus of crustaceans (from Latin Tanais the river Don, from Greek Tanaïs ) + -acea
: a small order of malacostracan crustaceans (division Peracarida) often included in the Isopoda and intermediate in character between that order and the Cumacea