Simple Definition of citronella
: an oil that smells somewhat like lemons and that is used in candles, lamps, etc., to keep bugs away
Full Definition of citronella
: a lemon-scented grass (Cymbopogon nardus) of southern Asia that yields an oil used in perfumery and as an insect repellent; also : its oil
Origin of citronella
New Latin, from French citronnelle lemon balm, from citron
First Known Use: circa 1858
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Medical Dictionary: Definition of "citronella"
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