Found 2 items, similar to spinous.
English → English (WordNet) Definition: spinous spinous adj : shaped like a spine or thorn [syn: acanthoid, acanthous]
English → English (gcide) Definition: Spinous 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]