The Collaborative International Dictionary of English v.0.48:

Pinon \Pi[~n]"on\, n. [Sp. pi[~n]on.] (Bot.)
      (a) 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) See Monkey's puzzle. [Written also pignon.]
          [1913 Webster]

Hitchcock's Bible Names Dictionary (late 1800's):

Pinon, pearl; gem; that beholds

U.S. Gazetteer (1990):

Pinon, AZ (CDP, FIPS 56120)
  Location: 36.10071 N, 110.22126 W
  Population (1990): 468 (181 housing units)
  Area: 16.7 sq km (land), 0.0 sq km (water)
  Zip code(s): 86510
Pinon, NM
  Zip code(s): 88344