Keyword
mail
Info
FrequencyTop 2200-2300
Type
Kyōiku (6th grade) 
?
KankenLevel 5
Heisig1990
Readings
ゆう
(100%)
Composed of
droop
small village
Used in vocabulary (97 in total)
mail service; postal service; mail; mail; postal matter; postal items
mail; postal matter; postal item
Examples (118 in total)
Did you inform the post office of the change of your address?
Uh..., where's the post office?
This is a post office and that's a bank.