無む脊せき椎つい動どう物ぶつむせきついどうぶつじ字FuriganaMeanings1nouninvertebratezoology›Zoological term for animals without a backbone. Often contrasted with 脊椎動物 (vertebrate).See also: 脊椎動物昆こん虫ちゅうは無む脊せき椎つい動どう物ぶつの
