What is the meaning of Sagum?

A cloak, worn in ancient times by the Gauls, early Germans, and Roman soldiers, made of a rectangular piece of (usually red) coarse cloth and fastened on the right shoulder.

sagum

sagum, a military cloak

singular accusative of sagus

inflection of sāgus:

1. singular masculine accusative
2. singular neuter nominative/accusative/vocative

singular masculine accusative

singular neuter nominative/accusative/vocative

dative plural of sacu

sagum

Source: wiktionary.org