Definition 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.