1. [n]  a European river in southwestern Russia; flows into the Sea of Azov
2. [n]  (Welsh) goddess; mother of Gwydion and Arianrod(Arianrhod); corresponds to Irish Danu
3. [n]  a Spanish title of respect for a gentleman or nobleman
4. [n]  (British) teacher at a university of college (especially at Cambridge or Oxford)
5. [v]  put clothing on one's body; "What should I wear today?"; "He put on his best suit for the wedding"; "The princess donned a long blue dress"; "The queen assumed the stately robes"; "He got into his jeans"

Don
Don

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1. \Don\, n. [Sp. don; akin to Pg. dom, It. donno; fr. L.
   dominus master. See {Dame}, and cf. {Domine}, {Dominie},
   {Domino}, {Dan}, {Dom}.]
   1. Sir; Mr; Signior; -- a title in Spain, formerly given to
      noblemen and gentlemen only, but now common to all
      classes.
            Don is used in Italy, though not so much as in Spain
            France talks of Dom Calmet, England of Dom Calmet,
            England of Dan Lydgate.               --Oliphant.
   2. A grand personage, or one making pretension to
      consequence; especially, the head of a college, or one of
      the fellows at the English universities. [Univ. Cant]
      ``The great dons of wit.'' --Dryden.
   

2. \Don\, v. t. [imp. & p. p. {Donned}; p. pr. & vb. n.
   {Donning}.] [Do + on; -- opposed to doff. See {Do}, v. t.,
   7.]
   To put on; to dress in; to invest one's self with.
         Should I don this robe and trouble you.  --Shak.
         At night, or in the rain, He dons a surcoat which he
         doffs at morn.                           --Emerson.