1.Definition: a strictly literal interpretation (as distinct from the intention)

"He followed instructions to the letter", "He obeyed the letter of the law"

Category: General

2.Definition: a written message addressed to a person or organization

"Mailed an indignant letter to the editor"

Related Noun(s):missive

Category: General

3.Definition: an award earned by participation in a school sport

"He won letters in three sports"

Category: General

4.Definition: owner who lets another person use something (housing usually) for hire

Category: People

5.Definition: the conventional characters of the alphabet used to represent speech

"His grandmother taught him his letters"

Category: General