Definition of letter
(Entry 1 of 3)
1
: a symbol usually written or printed representing a speech sound and constituting a unit of an alphabet
2a
: a direct or personal written or printed message addressed to a person or organization
b
: a written communication containing a grant
—usually used in plural
3
letters plural in form but singular or plural in construction
a
: literature, belles lettres
b
: learning
4
: the strict or outward sense or significance
the letter of the law
5a
: a single piece of type
b
: a style of type
6
: the initial of a school awarded to a student for achievement usually in athletics
letter
verb
lettered; lettering; letters
Definition of letter (Entry 2 of 3)
: to win an athletic letter
letter
noun (2)Definition of letter (Entry 3 of 3)
: one that rents or leases
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Great Words for Scrabble
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- Which of the following Q-without-U words means the number five in cards or dice?

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Merriam-Webster unabridged
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Time Traveler for letter
The first known use of letter was in the 13th century
See more words from the same century