an Italian sauce that is a purée of fresh basil, garlic, pine nuts, and Parmesan cheese in olive oil, used esp. over pasta
Origin of pestoItalian past participle of pestare, to pound, grind ; from Classical Latin pinsere: see pestle
- A sauce consisting of fresh basil, garlic, pine nuts, olive oil, and grated cheese.
- Any of various similar sauces.
Origin of pestoItalian, from past participle of pistare, pestare, to pound; see piston.
(usually uncountable, plural pestos)