simple past tense and past participle of letter

present participle of letter

Written text, especially when printed.

plural of letteral

(idiomatic) Literally, exactly, following the rules as written.

plural of lettering

plural of letterer

Alternative form of Lettrism

(dated) A literary man; a scholar or author.

(law) A type of legal document in the form of an open letter issued by an authority granting a monopoly, right, status, or title to a person or organization.