1) Gum labdanum 2) Oleoresin 1) Ladanum 
Labdanum, also called ladanum or ladan, is a sticky brown resin obtained from the shrubs Cistus ladanifer (western Mediterranean) and Cistus creticus (eastern Mediterranean), species of rockrose. It has a long history of use in herbal medicine and as a perfume ingredient. ==History== In ancient times, labdanum was collected by combing the beards a...
• (n.) See Ladanum.
Lab'da·num noun (Botany) See Ladanum . 
[n] - a dark brown to greenish oleoresin that has a fragrant odor and is used as a fixative in perfumes 2. [n] - a soft blackish-brown resinous exudate from various rockroses used in perfumes especially as a fixative