squirreltail barley squir·rel·tail·barley uncommon noun 1. barley grown for its highly ornamental flower heads with delicate long silky awns; North America and northeastern Asia Synonymssquirreltail barleyfoxtail barleysquirreltail grassHordeum jubatum Related words Broader terms barley WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
