acronym n 1: a word formed from the initial letters of the several words in the name
acronym <jargon> An identifier formed from some of the letters (often the initials) of a phrase and used as an abbreviation. {This dictionary} contains a great many acronyms; see the contents page for a list. See also {TLA}. (1995-03-15)
ACRONYM Abbreviated Coded Rendition Of Name Yielding Meaning (slang)
ACRONYM Abbreviation by CROping Names that Yield Meaning (slang)