PRONUNCIATION: (an-AK-ruh-nim)

MEANING: noun: An acronym or abbreviation whose expansion is not widely known.

ETYMOLOGY: Either a blend of anachronism + acronym, or from an- (not) + acronym. The word acronym is from Greek acro- (height, tip) + -nym (word, name). Earliest documented use: 1963.

ANACHRONYM - lack of temporal appropriateness of a thing with its literary or artistic setting, like Fred Flintstone watching a television program

AN ACRE O' NYM - 44,600 sq ft of New York NL baseball team

AN ACRO-GYM - a place for exercising the arms and hands and legs and feet