| a weedy, coarse grass, Echinochloa crus-galli, having a spikelike cluster of flowers. |
| barnyard grass n. Any of certain grasses in the genus Echinochloa, especially the Old World annual species E. crusgalli, used sometimes for forage and widespread as a weed. |
barnyard grass
(Echinochloa crus-galli), coarse annual grass of the family Poaceae (Gramineae) and one of about 20 species comprising the genus Echinochloa. The common name also applies to a similar species, E. muricata, not considered a separate species by some authorities.
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