a. Having spite; spiteful. [ Obs. ] [ 1913 Webster ]
adv. Spitefully. [ Obs. ] Chaucer. [ 1913 Webster ]
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 ]