1.a written message addressed to a person or organization;
mailed an indignant letter to the editor
2.the conventional characters of the alphabet used to represent speech;
his grandmother taught him his letters
3.a strictly literal interpretation (as distinct from the intention);
he followed instructions to the letter
4.an award earned by participation in a school sport;
he won letters in three sports
5.owner who lets another person use something (housing usually) for hire
1.win an athletic letter
2.set down or print with letters
3.mark letters on or mark with letters