from The Century Dictionary.
- noun Same as
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Zoöl.) Of or pertaining to the Tetrabranchiata.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective zoology Of or relating to the Tetrabranchiata.
- noun zoology Any of the Tetrabranchiata.
Sorry, no etymologies found.
It is said truly that the Ammonite, Orthoceras, and Nautilus of these ancient rocks were of the tetrabranchiate division, and none of them so highly organised as the Belemnite and other dibranchiate cephalopods which afterwards appeared, and some of which now flourish in our seas.