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Definition of Spinous
1. Adjective. Having spines. "The dorsal fin is spinous"
2. Adjective. Shaped like a spine or thorn.
Exact synonyms: Acanthoid, Acanthous
Similar to: Pointed
Derivative terms: Acantha, Spine, Spine, Spine
Similar to: Pointed
Derivative terms: Acantha, Spine, Spine, Spine
Definition of Spinous
1. a. Spinose; thorny.
Definition of Spinous
1. spiny [adj] - See also: spiny
Medical Definition of Spinous
1.
1. Spinose; thorny.
2. Having the form of a spine or thorn; spinelike.