Word Study
opinionist |
opiparous |
opisometer |
opisthion |
opisthobranchia |
opisthobranchiata
| opisthobranchiate
| opisthocœlian
| opisthocœlous
| opisthocomidae
| opisthocomus
opisthobranchiata
CIDE DICTIONARY
opisthobranchiata, n. pl. [NL., from Gr. 'o`pisqen behind + gills.].
A division of gastropod Mollusca, in which the breathing organs are usually situated behind the heart. It includes the tectibranchs and nudibranchs. [1913 Webster]
For further exploring for "opisthobranchiata" in Webster Dictionary Online