What is the meaning of Circumflex?

A diacritical mark (ˆ) placed over a vowel in the orthography or transliteration of many languages to change its pronunciation; while in some other languages over a consonant.

Having a circumflex mark.

Curving around.

To mark or pronounce with a circumflex.

To arch.

circumflex

circumflex

circumflex

Source: wiktionary.org