1. letter - Noun
2. letter - Verb
One who lets or permits; one who lets anything for hire.
One who retards or hinders.
A mark or character used as the representative of a sound, or of an articulation of the human organs of speech; a first element of written language.
A written or printed communication; a message expressed in intelligible characters on something adapted to conveyance, as paper, parchment, etc.; an epistle.
A writing; an inscription.
Verbal expression; literal statement or meaning; exact signification or requirement.
A single type; type, collectively; a style of type.
Learning; erudition; as, a man of letters.
A letter; an epistle.
To impress with letters; to mark with letters or words; as, a book gilt and lettered.
Source: Webster's dictionaryA letter does not blush. Cicero
Spelling mistakes in a letter is like a bug on a white shirt. Faina Ranevskaya
Somebody just back of you while you are fishing is as bad as someone looking over your shoulder while you write a letter to your girl. Ernest Hemingway
An old spinster is not worth more than a un posted letter. Hungarian Proverb
A letter from the heart can be read on the face. Swahili Proverb
A beautiful face is a letter of recommendation. American Proverb