iris
/ˈaɪərɪs; `aɪrɪs/ n
1 (anatomy 解) coloured part round the pupil of the eye 虹膜. =>illus at eye 见eye插图.
2 any of various types of tall plant with sword-shaped leaves and large bright flowers 鸢尾属植物（株高, 叶呈剑状, 花大色艳）. Cf 参看 flag4. =>illus at App 1 见附录1插图, page ii.