name meaning of demi
English Meaning: The name Demi is an English baby name. In English the meaning of the name Demi is: Abbreviation of Demetria-the mythological goddess of corn and harvest.American Meaning: The name Demi is an American baby name.In American the meaning of the name Demi is: Abbreviation of Demetria-the mythological goddess of corn and harvest.merican Meaning: The name Demi is an American baby name. In American the meaning of the name Demi is: Abbreviation of Demetria-the mythological goddess of corn and harvest.