old
US /oʊld/
UK /oʊld/

1.
2.
3.
used as a friendly form of address to a man or boy
:
•
How are you, old chap?
•
Come on, old boy, let's go!
4.
having existed for a specified length of time
:
•
The house is 200 years old.
•
How old are you?