Hystricidae
plural noun
Hys·tric·i·dae
| \ hə̇ˈstrisəˌdē \
Definition of Hystricidae
: a family of Old World hystricomorph rodents comprising the terrestrial porcupines that was formerly extended to include the New World arboreal porcupines — compare erethizontidae
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Merriam-Webster unabridged
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