C / circumplexus
noun

circumplexus

gen. circumplexūs · gender masculine · decl. 4th
circumplector
an encompassing; embracing; folding around;
an encompassing, embracing, or folding around; only in abl. sing., Plin. 8, 11, 11, § 32; 10, 63, 83, § 174: caeli, id. 6, 34, 39, § 212.