letter

US /ˈlet̬.ɚ/
UK /ˈlet̬.ɚ/
"letter" picture
1.

a character representing one or more of the sounds used in speech; any of the symbols of an alphabet

:
The word 'cat' has three letters.
Please print your name in capital letters.
2.

a written, typed, or printed communication, especially one sent in an envelope by mail or messenger

:
I received a letter from my aunt yesterday.
She wrote a long letter to her friend.
1.

to write or mark letters on something

:
The artist carefully lettered the sign.
He lettered his initials on the briefcase.