Pronunciation: (glad"ē-ō'lus),[key] —n., —pl.-lus, -liPronunciation: (-lī),[key]-lus•esfor 1;-lifor 2. 1. any plant of the genus Gladiolus, of the iris family, native esp. to Africa, having erect, sword-shaped leaves and spikes of flowers in a variety of colors.
2. Anat.the middle and largest segment of the sternum. Cf. manubrium (def. 2a), xiphisternum.