| 1. | a fragrant grass, Cymbopogon nardus, of southern Asia, cultivated as the source of citronella oil. |
| 2. | citronella oil. |
| a light-yellowish pungent oil, distilled from citronella, used in the manufacture of liniment, perfume, and soap, and as an insect repellent. |
| 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. |