乳香
Olibanum \O*lib"a*num\, n. [LL., fr. Ar. al-luban frankincense; cf.Gr. ?, ?, of Semitic origin.] The fragrant gum resin of various species of {Boswellia}; Oriental frankincense.
olibanum n : an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation [syn: {frankincense}, {gum olibanum}, {thus}]