Having spines or thorn-like projections. The spinous leaves of the plant made it difficult to handle without gloves.
Resembling a spine or thorn in shape. The spinous structure of the sculpture gave it a unique and edgy appearance.
Anatomy: Relating to the spine or to a spinous (thorn-like) bony process, especially of a vertebra. The surgeon carefully avoided damaging the spinous processes during the operation.