Harding grass har·dingg·rass uncommon noun 1. perennial grass of Australia and South Africa; introduced in North America as forage grass SynonymshardinggrassHarding grasstoowomba canary grassPhalaris aquaticaPhalaris tuberosa Related words Broader terms grass Parts Phalaris WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
