Definition of Rhodes grass in US English:

Rhodes grass

(also Rhodes' grass)

noun

  • A perennial African grass, Chloris gayana, with spikelets arranged in umbellate spikes at the top of the stem, which is now widely cultivated in warmer regions of the world as a pasture and fodder grass. Also (with distinguishing word): any of various other tropical grasses of the genus Chloris.

Origin

Early 20th century.