Save Gender Masculine Usage Anglo-Saxon Pronounced Pron. /ˈsæː.ɡɑːr/(Old English) [key·simplify] Other Forms FormsSegar (Medieval English) Meaning & History Original form of Segar derived from the elements sæ "sea" and gar "spear" meaning "sea spear". The surname Sagar is derived from the name. Cognate of Sǽgæirr.