Keyword
mail
Info
FrequencyTop 2300-2400
Type
Kyōiku (6th grade) 
?
KankenLevel 5
Heisig1990
Readings
ゆう
(100%)
Composed of
droop
small village
Used in vocabulary (115 in total)
mail service; postal service; mail; mail; postal matter; postal items
mailing; posting
Examples (121 in total)
While I was out, I also took care of some business at the post office.
I went to the post office on an errand for my mother.
The post office should have been over in that direction.