Definition of paca
: either of two large nocturnal chiefly Central and South American rodents (Agouti paca synonym Cuniculus paca and A. taczanowskii synonym C. taczanowskii) that typically have a white-spotted brownish coat
Origin and Etymology of paca
Portuguese, from Tupi páka
First Known Use: 1657See Words from the same year
Seen and Heard
What made you want to look up paca? Please tell us where you read or heard it (including the quote, if possible).