Top Definition
An acronym contained within an acronym.
Example 1: USB is an acronym for "Universal Serial Bus." Bus is an acronym for "Bidirectional universal switch." Bus is a parsonym of USB. (Computer and Information Science)

Example 2: THIS is an acronym for "Tanzania HIV Indicator Survey." HIV is an acronym for "Human Immunodeficiency Virus." HIV is a parsonym of THIS. (Science and Medicine)

Example 3: TAPS is an acronym for "TERCOM Aircraft Positioning System." TERCOM is an acronym for "Terrain Comparison." TERCOM is a parsonym of TAPS. (Military and Government)

"Yeah, and then he says to me, 'Did you notice that "Bus" is a parsonym of USB?'" "Like I give a f***." "What a flake."
by dreadsocks November 17, 2007

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Lotsa space for your liquids.

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An acronym contained within an acronym.
In electronics parlance, USB is an acronym for Universal Serial Bus. Bus is an acronym for Bidirectional universal switch. In this instance, Bus is a parsonym of USB.
by Dreadsocks November 17, 2007

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt