CIRCUMFLEX

circumflex. Circumflex, n. an accent over a syllable to make it sound long, marked thus (^); a. bent round

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Cir″cum‐flex (?), n. [[L. circumflexus a bending round, fr. circumflectere, circumflexum, to bend or turn about; circum + flectere to bend. See Flexible.]] 1. 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. 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.