Definitions for piñonˈpɪn yən, ˈpin yoʊn, pinˈyoʊn; piˈnyɔ nɛs
Random House Webster's College Dictionary
pi•ñonˈpɪn yən, ˈpin yoʊn, pinˈyoʊn; piˈnyɔ nɛs(n.)(pl.)pi•ñons; pi•ño•nes; pin•yons.
any of several pines of SW North America, as Pinus monophylla or P. edulis, bearing edible nutlike seeds.
Also called pi′ñon nut`. the seed.
Origin of piñon:
1825–35, Amer.; < Sp piñón, der. of piña pine cone
any of several low-growing pines of western North America