Noun has 1 sense

• red amaranth(n = noun.plant) amaranthus cruentus, amaranthus hybridus erythrostachys, amaranthus hybridus hypochondriacus, gentleman's-cane, prince's-feather, prince's-plume, purple amaranth - tall showy tropical American annual having hairy stems and long spikes of usually red flowers above leaves deeply flushed with purple; seeds often used as cereal;