n.
A sauce consisting of usually fresh basil, garlic, pine nuts, olive oil, and grated cheese.
[Italian, from past participle of pistare, pestare, to pound. See piston.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
