1. (noun)letter, missive a written message addressed to a person or organization "mailed an indignant letter to the editor"
2. (noun)letter, letter of the alphabet, alphabetic character the conventional characters of the alphabet used to represent speech "his grandmother taught him his letters"
3. (noun)letter owner who lets another person use something (housing usually) for hire
4. (noun)letter a strictly literalinterpretation (as distinct from the intention)
"he followed instructions to the letter"; "he obeyed the letter of the law"
Definition of 'letter'
