Definitions

1. adjective

relating to the spine, the spine or the backbone

“The spinal cord is a vital part of the central nervous system.”

2. noun

a long, narrow, branching structure resembling a spine, especially a type of coral or a branching spire or fin of a fish

“The coral formed a beautiful, branching spinal structure.”

3. adjective

extending or branching like a spine or a series of connected bones

“The spinal pattern of the rock face was a great subject for the photographer.”