spinelike

/ˈspaɪnˌlaɪk/
adjective
  1. Resembling or characteristic of a spine (a sharp, pointed structure, as on a plant or animal).
    • The artist used spinelike lines in her drawing to create a sense of danger.
    • The cactus had spinelike projections that made it dangerous to touch.
    • The caterpillar's spinelike hairs caused a rash on my arm.