don1
n.
- Brit. a university teacher, especially a senior member of a college at Oxford or Cambridge.
-
(Don)
a Spanish title prefixed to a male forename.
▸N. Amer. informal a high-ranking member of the Mafia.
Etymology
C16: from Sp., from L. dominus ‘lord, master’.
don2
v.
(dons, donning, donned)
put on (an item of clothing).
Etymology
ME: contr. of do on; cf. doff.