pac·li·tax·el  (pāk'lĭ-tāk'səl)  n. An anticancer drug derived from the bark of the Pacific yew tree and used in the treatment of ovarian and breast cancer that has not responded to prior therapy. [Pac(ific yew) + New Latin (Taxus brevifō)li(a), scientific name of Pacific yew (Latin brevis, short + Latin fōlium, leaf; see folium) + alteration of Taxol.] |