鰓さい板ばんMeanings1noungill plate; branchial plate; gill lamellabiology›Technical term in biology for the thin, plate-like structures on fish gills where gas exchange occurs.魚さかなの鰓さい板ばんは、水すい中ちゅうの酸さん素そを取とり込こむ重じゅう要ような器き官かんです。The gill plates of fish are important organs for taking in oxygen from the water.