res·cue·grass(rĕs′kyo͞o-grăs′) or rescue grass
A tall South American grass (Bromus catharticus) cultivated in warm regions for hay.
[Probably alteration of fescue.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.