erethizon dorsatum

1 definition found

erethizon dorsatum - WordNet (r) 2.1 (2005) :

  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]