n. One who lets or permits.n. One who lets for hire.n. One who lets, retards, or hinders.n. A mark or sign used to represent a sound of the human voice; a conventional representation of one of the primary elements of speech; an alphabetical character.n. In printing, a type bearing an alphabetical character: as, an initial letter; broken letters.n. Alphabetical representation in general; characters used in writing or printing collectively; hence, in printing, movable type as constituting complete fonts: as, black-letter (either in manuscript or impression, or as type); plenty or scarcity of letter.n. A missive communication made by the use of letters.n. An official or legal document granting some right, authority, or privilege to the person or persons addressed or named in it: as, letters patent; letters of administration.n. An inscription.n. Literal or exact meaning; unglossed signification; that which is most plainly expressed by the words used: as, to adhere to the letter of the text.n. plural Literature in general; hence, knowledge derivedfrom books; literary culture; erudition: as, the republic of letters; a man of letters.n. In musical notation, same as letter-name.n. In English law: A letter of courtesy written by the lord chancellor to any peer, peeress, or bishop against whom a bill is filed, informing the party of the complaint and requesting an appearance, sent in lieu of summons.n. A letter from the sovereign addressed to a dean and chapter, naming the person whom they are required to elect as bishop. Also called royal letter. See extract under royal letter.n. See the adjectives.To impress or engrave letters on; mark or stamp with a title or an inscription: as, to letter a book; a lettered stone or print.