what means Mine

Mine - is the first person singular possessive pronoun. It's used to show possession related to anything or anyone as a pronoun. Ex:- Mine is green, red yours. He is your brother and also mine.

Mine (Noun): an excavation in the earth for extracting coal or other minerals. "a copper mine" Mine (Pronoun): used to refer to a thing or things belonging to or associated with the speaker. "you go your way and I'll go mine"