from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The edible seed of certain pines, such as the piñon.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The edible seed of any of several species of evergreen pine, especially Pinus pinea, Pinus cembra and Pinus cembroides.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. edible seed of any of several nut pines especially some pinons of southwestern North America
From pine + nut (Wiktionary)