[let-er-man, -muh n]
noun, plural let·ter·men [let-er-men, -muh n] /ˈlɛt ərˌmɛn, -mən/.
  1. a person who has earned a letter in an interscholastic or intercollegiate activity, especially a sport.

Origin of letterman

First recorded in 1715–25; letter1 + man1, -man
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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