Meaning of black bent in English:
black bent
noun
1A foxtail grass, Alopecurus myosuroides (formerly A. agrestis), common as a weed of cereal crops.
2The red-top Agrostis gigantea, a perennial grass native to Europe and widely naturalized in North America.
Origin
Late 18th century; earliest use found in Arthur Young (1741–1820), agricultural reformer and writer.
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