n.
A top crust consisting of browned crumbs and butter, often with grated cheese.
[French, from obsolete grater, to scratch, scrape, from Old French. See grate1.]
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.
