What is the meaning of ø?

A vowel letter of the Dano-Norwegian alphabet, sometimes used to replace o in other languages to imitate Scandinavian languages.

a close-mid front rounded vowel.

[ø]-coloring or a weak, fleeting, epenthetic or echo [ø].

half-diminished.

A letter of the Central Mazahua alphabet, written in the Latin script.

The twenty-eighth letter of the Norwegian alphabet, written in the Latin script.

a letter of the Old Swedish alphabet, written in the Latin script.

island

abbreviation of koh

The twenty-fourth letter of the Southern Sami alphabet, written in the Latin script.

The penultimate letter of the Danish alphabet.

island

The twenty-ninth letter of the Faroese alphabet, called ø and written in the Latin script.

name of the letter ø

Source: wiktionary.org