The definition of a mirror is a surface that reflects, or anything that gives a true image of a person or thing.
(noun)An example of a mirror is what you look at while brushing your hair.
Mirror is defined as to reflect or imitate.
(verb)An example of mirror is a dancer doing the same dance steps as another.
See mirror in Webster's New World College Dictionary
noun
Origin: ME mirour < OFr mireor < VL *miratorium < mirare: see mirage
transitive verb
See mirror in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English mirour
Origin: , from Old French mireor
Origin: , from mirer, to look at
Origin: , from Latin mīrārī, to wonder at
Origin: , from mīrus, wonderful; see smei- in Indo-European roots
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