Today's word: Acronym

The word of today:

This word caused a big discussion yesterday in my comments. So today i thought i will post the complete and correct definition of acronym.

Main Entry: ac·ro·nym
Pronunciation: 'a-kr&-"nim
Function: noun
Etymology: acr- + -onym

A word (as NATO, radar, or snafu) formed from the initial letter or letters of each of the successive parts or major parts of a compound term; also : an abbreviation (as FBI) formed from initial letters.