Literature.
A size of paper, 215 mm × 280 mm.
A size of paper, 8½ in × 11 in (215.9 mm × 279.4 mm, US paper sizes rounded to the nearest 5 mm).
A symbol in an alphabet.
A division unit of a piece of law marked by a letter of the alphabet.
One who lets, or lets out.
The literal meaning of something, as distinguished from its intended and remoter meaning (the spirit).
A written or printed communication, generally longer and more formal than a note.
To print, inscribe, or paint letters on something.
To earn a varsity letter (award).
A book containing the text of a play or plays.
A set of commonly employed tactics and strategies.
A book of games and amusements for children.
A book of strategies (plays) for use in American football (and by extension other sports or disciplines).