Definition of earwort in English:

earwort

noun

  • 1Any of several plants reputed to cure deafness, especially the herbaceous plant Oldenlandia auricularia (family Rubiaceae), of South Asia (now historical and rare).

  • 2Any of several liverworts of the order Jungermanniales, having ear-shaped leaves.

Origin

Late Middle English; earliest use found in Alphita.