Modern Standard Arabic; the dialect of Arabic used in almost all writing and in formal spoken contexts
The regional dialects are different from MSA.
by Carmen September 15, 2005
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Maryland School Assesment for grades 3-8

For Reading and Math
I took the Math MSA today and im gonna take the Reading MSA tomorrow
by MSA333 March 25, 2009
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Metropolitan Statistical Area

In the USA this refers to an urban cluster (continuously built up area,) or clusters of 50K people of more each, the county it (or they) sit in, as well as the counties (or townships in New England) where significant numbers of people commute to and from that county. It includes urban (high density,) suburban (lower density,) and exurban (rural nonfarm) areas, as well as farmland.
Metropolitan Statistical Area (MSA)

Definition: Geographical divisions, determined by the United States Office of Management and Budget, for the purposes of census data and other urban population calculations. The divisions are primarily based on urban areas, and tend to follow town or county borders. The MSAs can also be broken down into smaller “Metropolitan Divisions.” Previously called Standard Metropolitan Statistical Area (SMSA).

-BusinessDictionary.com
by Miskatonic Jack 2 November 15, 2010
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means “my single ass” which means your single and your need a boo.
Sally: I need to get msa a man.

Jill: Me too!
by oof feelings June 3, 2019
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a Youtube channel (previously called My Story Animated) where they tell and animate these made up story's about some fake persons crazy life.
Person 1: Hey have you seen MSA's new video? Person 2: No I haven't! I'll watch it now
by Imtotallynotavirgin September 19, 2022
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Metropolitan statistical area. Long way of saying suburbs.
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by DJ-BILLZ March 14, 2005
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