2 entries under this word

Invertebrate

In-vĕr'te-brate, n.

noun

n. (Zoöl.) An animal having no vertebral column.

In-věr'te-brate or In-věr'te-brā'ted, a.

adjective

a. [Prefix in, not, and vertebrate, vertebrated, It. invertebrato, Fr. invertébré.] (Zoöl.) Destitute of a back-bone; having no vertebræ; invertebral. See VERTEBRATED.