—n. (in full circumflex accent) a mark. placed over a vowel in some languages to indicate a contraction, length, or a special quality.
—adj. Anat. curved, bending round something else (circumflex nerve).
Etymology: L circumflexus (as CIRCUM-, flectere flex- bend), transl. of Gk perispomenos drawn around
Useful english dictionary. 2012.