资料来源 : Webster's Revised Unabridged Dictionary (1913)

Paca \Pa"ca\, n. [Pg., from the native name.] (Zo["o]l.)
   A small South American rodent ({C[oe]logenys paca}), having
   blackish brown fur, with four parallel rows of white spots
   along its sides; the spotted cavy. It is nearly allied to the
   agouti and the Guinea pig.

资料来源 : WordNet®

paca
     n : large burrowing rodent of South America and Central America;
         highly esteemed as food [syn: {Cuniculus paca}]