or·ris·root /-ˌrut, ˌrʊt/ 鳶尾草的根
or·ris·root /ˈɔrəsˌrut, ˈɑrəs, ˌrʊt/ 名詞
orrisroot n : fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines [syn: orris]