脊せき椎つい動どう物ぶつせきついどうぶつFreq.FrequencyTop 50,000Meanings1nounvertebratezoology›Zoological term for animals with a backbone. Often contrasted with 無脊椎動物 (invertebrate).See also: 無脊椎動物人にん間げんは脊せき椎
