cit ‧ ron ‧ el ‧ la /ˌsɪtrəˈnelə/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: French citronelle 'lemon oil' , from citron ; ⇨ ↑ citron ]
an oil used for keeping insects away
cit ‧ ron ‧ el ‧ la /ˌsɪtrəˈnelə/ BrE AmE noun [uncountable]
[ Date: 1800-1900 ; Language: Modern Latin ; Origin: French citronelle 'lemon oil' , from citron ; ⇨ ↑ citron ]
an oil used for keeping insects away
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012