tetrabranquial 76
tetrabranquial . ( Of tetra - and the pl. ) gr. ß?????(a, gills). 1. adj. Zool. He says the cephalopod whose respiratory system consists of four gills. 2. m. pl. Zool. Taxonomic group consisting of cephalopods which have four gills; e.g., the Nautilus. O RTOGR. ESCR. with may. initial.