WordNet (r) 3.0 (2006):

acronym
    n 1: a word formed from the initial letters of the several words
         in the name

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

ACRONYM
       Abbreviated Coded Rendition Of Name Yielding Meaning (slang)


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

ACRONYM
       Abbreviation by CROping Names that Yield Meaning (slang)


The Free On-line Dictionary of Computing (30 December 2018):

acronym

    An identifier formed from some of the letters (often
   the initials) of a phrase and used as an abbreviation.

   A TLA is a meta-acronym, i.e. an acronym about acronyms.

   This dictionary (FOLDOC) contains a great many acronyms; see
   the contents page (/contents/all.html) for a list.

   (2014-08-14)