inverted circumflex

noun3

1. •
   Any diacritic obtained by rotating a circumflex (ˆ) 180°.

   • This rising inflection will be indicated by an inverted circumflex ( ˇ ) being placed over the last syllable in the clause that bears the primary accent. — 1844
2. •
   (informal) A háček.

   • In this way c surmounted by an inverted circumflex accent stands for our sound of ch, which in Russian, Polish, or Servian words, we usually see spelled cz. — 1876
3. •
   A dipping tone.