Definitions
Sorry, no definitions found. Check out and contribute to the discussion of this word!
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word protobranch.
Examples
Sorry, no example sentences found.
chained_bear commented on the word protobranch
"A bivalve mollusc of the relatively primitive subclass Protobranchia, whose members are characterized by gills having a simple leaflike structure." (OED)
September 12, 2008