The American Heritage® Dictionary of the English Language, 4th Edition
n. A spineless, dome-shaped cactus (Lophophora williamsii) native to Mexico and the southwest United States, having buttonlike tubercles that are chewed fresh or dry as a narcotic drug by certain Native American peoples. Also called mescal.
n. A small, spineless cactus (Lophophora williamsii) found from southwest United States to central Mexico that produces buttonlike tubercles that can be chewed for its psychedelic effect, primarily from the drug mescaline. Also called mescal.
n. A mescal button produced by the plant.
The Century Dictionary and Cyclopedia
n. A name applied in certain parts of Mexico to several low, fleshy, spineless plants, especially to Lophophora Williamsii, which is used medicinally and has narcotic properties. Also written pellotè. See mescal-buttons.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the hallucinatory alkaloid that is the active agent in mescal buttons
n. a small spineless globe-shaped cactus; source of mescal buttons
Word Usage
"This moment of the sharing of the peyote is the fulfillment of the highest goals in Huichol religious life."