Alternative form of letterbox

An item of mail that cannot be delivered to its intended recipient; after some time it is returned to the sender, or destroyed. / A law or other measure that is no longer enforced.

An agreement, specifically a legally binding contract, reached by the parties' exchange of letters.

Written or printed in black letter. / Given to the study of books in black letter; old-fashioned.

(art) The use of letters and other text characters to form a picture.

plural of letter carrier

(Britain) A cover letter.

A dominical letter.

A letter written in clear, unjoined handwriting.

(US) An identifying initial of the academic institution that is awarded to a member of a varsity team. It is made from structured cloth, and intended to be sewn to a piece of clothing such as a varsity sweater or varsity jacket.