[ let-er-man, -muh n ]
/ ˈlɛt ərˌmæn, -mən /

noun, plural let·ter·men [let-er-men, -muh n] /ˈlɛt ərˌmɛn, -mən/.

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. 2019

Examples from the Web for letterman