noun
A labiate plant of species Origanum dictamnus, formerly renowned for its medicinal properties; dittany of Crete.
A fragrant plant in the rue family, Dictamnus albus.
False dittany (Pseudodictamnus mediterraneus, syn. Ballota pseudodictamnus)
(US) A fragrant herb in the mint family native to the eastern United States (Cunila origanoides).