'Spinous' definitions:

Definition of 'spinous'

(from WordNet)
adjective
Having spines; "the dorsal fin is spinous" [syn: spinous, spiny] [ant: spineless]
adjective
Shaped like a spine or thorn [syn: acanthoid, acanthous, spinous]

Definition of 'Spinous'

From: GCIDE
  • Spinous \Spi"nous\, a.
  • 1. Spinose; thorny. [1913 Webster]
  • 2. Having the form of a spine or thorn; spinelike. [1913 Webster]
  • Spinous process of a vertebra (Anat.), the dorsal process of the neural arch of a vertebra; a neurapophysis. [1913 Webster]

Words containing 'Spinous'