The Collaborative International Dictionary of English v.0.48:

Mir \Mir\ (m[=e]r), n. [Russ. mir'.]
   A Russian village community. --D. M. Wallace.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mir \Mir\, n. [Per. m[imac]r.]
   Same as Emir.
   [1913 Webster]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MIR
       Maximum Information Rate


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

MIR
       Micro-Instruction Register (IC)