The American Heritage® Dictionary of the English Language, 4th Edition
n. The practice of subsisting on a diet composed primarily or wholly of vegetables, grains, fruits, nuts, and seeds, with or without eggs and dairy products.
the GNU version of the Collaborative International Dictionary of English
n. The theory or practice of living upon vegetables and fruits.
The Century Dictionary and Cyclopedia
n. The theory and practice of living solely on vegetables.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a diet excluding all meat and fish
Word Usage
"Hero: Tony Bourdain for his open mind for all kinds of food he tries on his travels across the world, since I am pretty conservative, Indian vegetarianism is my style."