1. porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease; [syn: Canada porcupine, Erethizon dorsatum]
WordNet (r) 3.0 (2006):
Erethizon dorsatum
n 1: porcupine of northeastern North America with barbed spines
concealed in the coarse fur; often gnaws buildings for salt
and grease [syn: Canada porcupine, Erethizon dorsatum]