|1.||Also called: citronella grass a tropical Asian grass, Cymbopogon (or Andropogon) nardus, with bluish-green lemon-scented leaves|
|2.||Also called: citronella oil the yellow aromatic oil obtained from this grass, used in insect repellents, soaps, perfumes, etc|
|[C19: New Latin, from French citronnelle lemon balm, from citron lemon]|
|citronella (sĭt'rə-něl'ə) Pronunciation Key
The pale-yellow, lemon-scented oil obtained from the leaves of a tropical Asian grass (Cymbopogon nardus), used in insect repellents and perfumes. Citronella consists primarily of an aldehyde of octane.