Don is defined as a Spanish title used to refer to a gentleman, or is a term used to describe a leader in an organized-crime family.
(noun)To don is defined as to put on a piece of clothing.
(verb)When you put a hat on, this is an example of when you don a hat.
See don in Webster's New World College Dictionary
noun
Origin: Sp < L domnus, contr. < dominus, master: see dominate
noun
Origin: Russ: see Danube
See don in American Heritage Dictionary 4
noun
Origin:
Origin: Spanish dialectal
Origin: and Italian
Origin: , both from Latin dominus, lord; see dem- in Indo-European roots
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