letter
US /ˈlet̬.ɚ/
UK /ˈlet̬.ɚ/

1.
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.
a written, typed, or printed communication, especially one sent in an envelope by mail or messenger