ladanumPronunciation: /ˈlad(ə)nəm/ (also labdanum)Definition of ladanum noun [mass noun] a gum resin obtained from the twigs of a southern European rock rose, used in perfumery and for fumigation. The rock rose is usually Cistus ladanifer, family Cistaceae Origin: mid 16th century: via Latin from Greek ladanon, lēdanon, from lēdon 'mastic'ladanum in other Oxford dictionaries Definition of ladanum in the US English dictionary
