from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sauce made of garlic, basil, olive oil, and often Parmesan, used on pasta or in soups and stews.
- n. A soup or stew flavored with this sauce.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A cold sauce made from cloves of garlic, fresh basil, and olive oil.
French, from Provençal, from pestar, to crush, from Old Provençal, from Late Latin pistāre; see piston.(American Heritage® Dictionary of the English Language, Fourth Edition)
French, from Late Latin pistāre ("to crush"). (Wiktionary)