Definition of letter
- letter Noun A symbol in an alphabet, bookstave.
- letter Noun A written message. See also note.
- letter Noun Literal meaning.
- letter Noun A size of paper, 8½ in ? 11 in (215.9 mm ? 279.4 mm, US paper sizes rounded to the nearest 5 mm)
- letter Noun A size of paper, 215 mm ? 280 mm
- letter Verb to print, inscribe, or paint letters on something.
- letter Verb To earn a varsity letter (award).