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Meaning of scutum

scu•tum

Pronunciation: (sky'tum), [key]
— pl. gen. -ta Scu•ti
  1. scute (def. 1).
  2. a large, oblong shield used by the heavy legionaries of ancient Rome.
  3. (cap.)the Shield, a southern constellation north of Sagittarius and east of Aquila, containing a small, very bright star cloud.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.