From Longman Dictionary of Contemporary Englishdondon1 /dɒn $ dɑːn/ noun [countable] 1 SEC British English a university teacher, especially one who teaches at the universities of Oxford or Cambridge2 informal the leader of a Mafia organization
Examples from the Corpus
don• He was the son of a Cambridge don.dondon2 verb (donned, donning) [transitive] literary DCCPUT ON CLOTHESto put on a hat, coat etc→ See Verb tableExamples from the Corpus
don• But the women of Zurich donned armour, marched to the Lindenhof and manned the battlements.Origin don1 (1900-2000) Italian a respectful name, from Latin dominus “lord” don2 (1300-1400) do on “to put on” ((10-17 centuries))