An ancient region in central Asia Minor, in present-day Turkey.

(Australia, derogatory, usually restricted to youths) A person, usually male, who is unpopular with their peers, unfashionable, socially awkward and/or introverted. / (derogatory) An English person.

(pathology) A defect of vision that is evident only if both eyes are open

The seventeenth letter of the Modern Greek and Classical alphabets and the nineteenth letter of Old and Ancient. / (finance) The sensitivity of the option value to the risk-free interest rate.