adjective, spin·i·er, spin·i·est.
Examples from the Web for spiny
When Spiny Norman, the giant hedgehog, goes looking for the Dimsdale brothers in Monty Python.
The rules were fairly lax, and we watched Spiny Norman shouting “Dimsdale!”
The first of these creatures is called the echidna, and is also known as the spiny ant-eater.The Animal World, A Book of Natural History|Theodore Wood
Shell subspherical, spiny, with slight sagittal stricture and ovate internal ring.
Spīnirec′tor, erecting the spine of the muscles of the back; Spīnispir′ular, spiny and somewhat spiral.
Shortly after the arms had appeared, the spiny head cap was cautiously extended a few inches forward from the main shell.
The spiny leaves of the Holly are unfortunately not nearly strong enough to save it from its enemies.The Romance of Plant Life|G. F. Scott Elliot