Definition of donning:
(n) :
A mafia boss, primarily for Italian or Italian American bosses.
(n) :
(UK) A university professor, particularly one at Oxford or Cambridge.
(v) :
(transitive) To put on clothing; to dress (oneself) in an article of personal attire.
(n) :
(Canada) An employee of a university residence who lives among the student residents.
(n) :
(MLE) Any man, bloke, dude.
(n) :
A (usually Spanish or Italian) title of respect to a man, especially a lord or nobleman.