nimbus/ˈnɪmbəs; `nɪmbəs/ n(pl ~es / -bəsɪz; -bəsɪz/ or -bi / -baɪ; -baɪ/)1 (in paintings, etc) bright circle shown round or over the head of a saint; halo （画等中的）（圣者头部四周或上方的）光环, 光轮.2 rain cloud 雨云.
牛津英汉双解词典