Noun
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""he obeyed the letter of the law"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