A mint smelling of oranges or orange blossom; (originally, perhaps) †a variety of wild mint, Mentha aquatica (obsolete); (now) bergamot mint, M.× piperita var. citrata.
Origin
Late 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer.
Definition of orange mint in US English:
orange mint
noun
A mint smelling of oranges or orange blossom; (originally, perhaps) †a variety of wild mint, Mentha aquatica (obsolete); (now) bergamot mint, M.× piperita var. citrata.
Origin
Late 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer.