Pronunciation: (skyOO'tum),[key] —n., —pl.-taPronunciation: (-tu)[key]for 1, 2, —gen.Scu•tiPronunciation: (skOO'tī)[key]for 3. 1. Zool.scute (def. 1).
2. a large, oblong shield used by the heavy legionaries of ancient Rome.
3. (cap.) Astron.the Shield, a southern constellation north of Sagittarius and east of Aquila, containing a small, very bright star cloud.