chimera(also chimaera), / kaɪˈmɪərə; kaɪ`mɪrə/ n1 imaginary monster made up of parts of several different animals （由几种动物的各部分构成的）假想的怪物.2 (fig 比喻) wild or impossible idea 不可能实现的想法; 幻想; 妄想.
牛津英汉双解词典