Cir″cum‐flex (?), n. [L. circumflexus a bending round, fr. circumflectere, circumflexum, to bend or turn about; circum + flectere to bend. See Flexible.]
1. A wave of the voice embracing both a rise and fall or a fall and a rise on the same a syllable. Walker.
2. A character, or accent, denoting in Greek a rise and of the voice on the same long syllable, marked thus; and in Latin and some other languages, denoting a long and contracted syllable, marked. See Accent, n., 2.