Ceratobranchia
- n. pl. A group of nudibranchiate Mollusca having on the back papilliform or branched organs serving as gills.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.