Definition of "ø"

A vowel in some Scandinavian alphabets and an umlaut in eastern Middle Low German handwriting.

1. (humorous) Sometimes inserted in English or other languages in place of the o, for the purpose of imitating Scandinavian languages.  quotations  examples

   Quotations

   • [These comments are found at the beginning of the movie, in the middle of the credits. Not all o's are rendered as ø's.] / Nø realli! She was Karving her initials øn the møøse with her sharpened end of an interspace tøøthbrush given her by Svenge — her brother-in-law — an Oslo dentist and star of many Nowegian mørvies: The Høt Lands of an Oslo Dentist, Fillings of Passion, The Huge Møllars of Horst Nordfink...

     1975, Monty Python, Monty Python and the Holy Grail (movie)

   • [original French text]Øbsen: Åh, te vøice enfin, Kerøsen! Espèce de fåinéånt, qu'Ødin te måudisse mille et mille føis!Åvånssen: C'est... C'est Øbsen le Terrifiånt, le chef de nøtre clån![official English translation]Ødiuscømpårissen: Øh, there yøu åre åt låst, Herendethelessen! Yøu låzy blighter! By Ødin, where the Niflheim håve yøu been?Steptøånssen: It's... It's... Ødiuscømpårissen the Terrifying, the chief øf øur tribe!

     1975, Rene Goscinny, Albert Uderzo, Asterix and the Great Crossing (original French title: La Grande Traversée), page 41

(IPA) a close-mid front rounded vowel.  examples