Spinous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  spinous
       adj : shaped like a spine or thorn [syn: {acanthoid}, {acanthous}]