don
US /dɑːn/
UK /dɑːn/

1.
put on (an item of clothing)
:
•
He stopped to don his coat.
•
The knight prepared to don his armor.
1.
2.
a Spanish title of respect, especially for a man
:
•
Don Quixote is a famous character in literature.
•
The old man was addressed as Don Ricardo.
3.
the head of a Mafia family
:
•
The crime boss was known as the Don.
•
He was the undisputed Don of the city's underworld.