Real Dictionary

Min.E. in American English
abbreviation: Mineral Engineer

mine in American English 1
a large excavation made in the earth, from which to extract metallic ores, coal, precious stones, salt, or certain other minerals
pronoun: a form of the possessive case of I used as a predicate adjective

mine in American English 2
that or those belonging to me: the possessive form of I2, used without a following noun, often after of
intransitive verb: to dig in the earth for the purpose of extracting ores, coal, etc.; make a mine
noun: an excavation made in the earth for the purpose of extracting ores, coal, precious stones, etc
transitive verb: to dig in (earth, rock, etc.) in order to obtain ores, coal, etc

mine in British English 1
pronoun: something or someone belonging to or associated with me

mine in British English 2
noun: a system of excavations made for the extraction of minerals, esp coal, ores, or precious stones
verb: to dig into (the earth) for (minerals)

mine noun and verb uses
A mine is a place where deep holes and tunnels are dug under the ground in order to obtain a mineral such as coal, diamonds, or gold.

mine pronoun use
pronoun: Mine is the first person singular possessive pronoun. A speaker or writer uses mine to refer to something that belongs or relates to himself or herself.