New World porcupine

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Noun1.New World porcupine - arboreal porcupine
hedgehog, porcupine - relatively large rodents with sharp erectile bristles mingled with the fur
Erethizontidae, family Erethizontidae - New World arboreal porcupines
Canada porcupine, Erethizon dorsatum - porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease