ˌsi.trəˈnelə, attrib | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ noun
( -s )
Etymology: New Latin, from French citronnelle lemon balm, Barbados water (a cordial), from citron
1. : citronella oil
2. also citronella grass : a fragrant grass ( Cymbopogon nardus ) of southern Asia
3. : horse balm 1