The Collaborative International Dictionary of English v.0.48:

Mico \Mi"co\, n. [Sp. or Pg. mico.] (Zool.)
   A small South American monkey (Mico melanurus), allied to
   the marmoset. The name was originally applied to an albino
   variety.
   [1913 Webster]

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

MICO
       MICO Is CORBA (ORB, CORBA, Uni Frankfurt)