NOUN (1)

1. a native or resident of Oxford;


ADJECTIVE (2)

1. of or pertaining to or characteristic of Oxford University;
- Example: "Oxonian education"

2. of or pertaining to or characteristic of the city of Oxford, England, or its inhabitants;
- Example: "his Oxonian neighbors"
- Example: "Oxonian bookstores"

The Collaborative International Dictionary of English v.0.48:

Oxonian \Ox*o"ni*an\, prop. a.
   Of or relating to the city or the university of Oxford,
   England. --Macaulay.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Oxonian \Ox*o"ni*an\, prop. n.
   A student or graduate of Oxford University, in England.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Oxonian
    adj 1: of or pertaining to or characteristic of Oxford
           University; "Oxonian education"
    2: of or pertaining to or characteristic of the city of Oxford,
       England, or its inhabitants; "his Oxonian neighbors";
       "Oxonian bookstores"
    n 1: a native or resident of Oxford