ribbon grass rib·bong·rass uncommon noun 1. perennial grass of marshy meadows and ditches having broad leaves; Europe and North America Synonymsreed canary grassgardener's garterslady's lacesribbon grassPhalaris arundinacea Related words Broader terms grass Parts Phalaris WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
