n.
Any of various grasses of the genus Festuca, often cultivated as pasturage.
[Alteration of Middle English festu, straw, from Old French, from Late Latin festūcum, from Latin festūca.]
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.