Red Sea /ˌɹɛd ˈsiː/ noun5 •A long, narrow sea between Africa and the Arabian Peninsula; links the Suez Canal with the Arabian Sea. •A great quantity of blood.And all this while the red sea of her blood Ebd with Leander. — 1598 •A great quantity of reddish liquid, such as wine.Oyl-steep'd Anchovie, landed from his brine, Came freely swimming in red seas of wine. — 1645 •(slang, vulgar) (A quantity of) blood discharged through the vagina during menstruation.Woman's menstrual blood, as symbolized in the "red carpet" or "red-sea of life," paved the way for the processions of queens, kings, brides and heroes. — 2001 •A governorate in eastern Egypt formsRed Seas