2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Spinous \Spi"nous\, a.
1. Spinose; thorny.
2. Having the form of a spine or thorn; spinelike
{Spinous process of a vertebra} (Anat.), the dorsal process
of the neural arch of a vertebra; a neurapophysis.
From WordNet r 1.6 [wn]:
spinous
adj : shaped like a spine or thorn [syn: {acanthoid}, {acanthous}]
more about spinous
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