1 definition by Peter Goldstein

n - An active participant in league-centered mathematical competitions, such as ARML, NYSML, and state-run programs.

Etymololgy: from the English math and athlete, a composite word invented circa 1975 by J. Bryan Sullivan, president of the national math league and math league coach of Hudson, Massachusetts and the Western Massachusetts Region.
The State math competition is a sight to see. The very thought of so many mathletes in one room inspires awe.
by Peter Goldstein October 9, 2004
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