/pin"yeuhn, peen"yohn, peen yohn"/ ; Sp. /pee nyawn"/ , n. , pl. piñons , Sp. piñones /pee nyaw"nes/ .
1. Also, pinyon . Also called pinyon pine, nut pine . any of several pines of southwestern North America, as Pinus monophylla or P. edulis, bearing edible, nutlike seeds.
2. Also called piñon nut . the seed.
[ 1825-35, Amer.; piñón, deriv. of piña pine cone ]