adjective Etymology: New Latin invertebratus, from Latin in- + New Latin vertebratus vertebrate Date: 1832 lacking a spinal column, lacking in strength or vitality ; weak , ~ noun
INVERTEBRATE
Meaning of INVERTEBRATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012