palmarosaPronunciation: /ˌpalməˈrəʊsə/Definition of palmarosa noun [mass noun] a fragrant tropical Indian grass related to citronella and lemon grass. Cymbopogon martinii, family Gramineae (also palmarosa oil) the essential oil obtained from palmarosa, used in perfumery and aromatherapy. Origin: late 19th century: from Italian, literally 'rose palm'palmarosa in other Oxford dictionaries Definition of palmarosa in the US English dictionary
