Definitions

1. noun

The erethizon, also known as the porcupine, is a large rodent with a distinctive coat of sharp quills.

“The hikers had to be careful not to disturb the erethizon in its natural habitat.”

2. noun

A type of North American porcupine, specifically the porcupine (Erethizon dorsatum).

“The wildlife expert studied the erethizon in a controlled environment.”