Definition of mountain mint in English:

mountain mint

Pronunciation /ˌmaʊntɪn ˈmɪnt/

noun

US
  • 1rare The plant Oswego tea, Monarda didyma. Compare mountain balm .

  • 2Any of various plants of the genus Pycnanthemum (family Lamiaceae (Labiatae)), whose leaves when crushed smell of mint.

Origin

Late 16th century (in an earlier sense). From mountain + mint, after post-classical Latin calamentum montanum.