Webster's Revised Unabridged Dictionary · 1913

Piñon

Piñon , noun

[Sp. piñon.]

(a)
(Botany) The edible seed of several species of pine; also, the tree producing such seeds, as Pinus Pinea of Southern Europe, and Pinus Parryana, cembroides, edulis, and monophylla, the nut pines of Western North America.
(b)
(Botany) See Monkey's puzzle.