Resembling a spine (spike or bristle) or some aspect of one.(adjective)
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Use "spinelike" in a sentence
"Everything bore a peculiar hue of green, from the groves of myrtle, pimento and corkwood to the grassy plots, the natural fields of oats and even to the moss-covered rocks of the spinelike mountains."
"From the neck of the flask one or more dendrites arise and pass into the molecular layer, where they subdivide and form an extremely rich arborescence, the various subdivisions of the dendrites being covered by lateral spinelike processes."
"From the castle down stretched Edinburgh, heaped upon its long, spinelike hill, to the palace of Holyrood, and all its tall houses, tall and dark, and all its wynds and closes, and all its strident voices, and all its moving folk, seemed to have in mind that palace and the banner before it."