from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One whose diet includes fruits, seeds, and nuts but no vegetables, grains, or animal products.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A variant of vegetarian who intends to be limited to eating only such parts of plants whose consumption does not kill the plant (such as fruits, vegetables that can be compared to fruit, nuts and grain, but not for example tubers). The purest fruitarians do not want to destroy even the seeds.
from The Century Dictionary and Cyclopedia
- Of or pertaining to fruits; consisting solely of fruits and nuts, as a diet.
- n. One who holds the theory that fruits and nuts constitute the only proper food for man.
Blend of fruit and (veget)arian.(American Heritage® Dictionary of the English Language, Fourth Edition)
fruit + -arian. First attested circa 1890. (Wiktionary)