Definition, Meaning & Synonyms

spina

Noun

/ˈspaɪ.nə/

Definition

A term referring to a thorn-like structure or a ridge, often used in biological contexts or anatomy.

Examples

The spina bifida is a birth defect in which the spine does not close completely.
Some species of plants have a spina or thorn-like feature for protection against herbivores.

Meaning

In anatomy, spina can refer to a bony projection or a thorn-like process. It can also denote a structure that resembles a spine or a line of spiny projections.