Porcupine (noun)

A rodent with a coat of sharp spines or quills, which it can raise as a defense against predators.

Origin:

From the middle french word porc espin, meaning "spined pig".

Examples:

1. The porcupine is a rodent with a coat of sharp spines or quills.
2. The porcupine can raise its quills as a defense against predators.
3. Porcupines are found throughout North and South America.
4. Porcupines are herbivores and feed on tree bark, leaves, and fruits.
5. The porcupine's quills can detach easily, and are sometimes found in the fur of predators who try to catch them.