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

Any of the first seven letters of the alphabet, used in religious calendars to mark the Sundays throughout the year and determine dates such as Easter Sunday.

plural of letter column

Section of a periodical in which readers' letters are published.

(dated, fandom slang) Correspondence, usually a letter, sent to a periodical commenting on either the contents of a previous issue or an earlier letter of comment.

(now rare) A corporal with responsibility for carrying or delivering letters for a given regiment etc.

plural of letter corporal

(printing) Two letters on one shank; a ligature. / An item of mail requiring double postage.

A letter conveyed by a ship other than a mail packet.

(Singapore) Official notice of a composition fee (a fine).