circumflexus
From LSJ
Latin > English (Lewis & Short)
circumflexus: a, um, Part., from circumflecto.
circumflexus: ūs, m. circumflecto,
I a bending round, a vault, arch: mundi, Plin. 2, 1, 1, § 1: caeli, id. 6, 34, 39, § 212.—
II A winding, circuit: qui (Tanais) per sinuosos labitur circumflexus, Amm. 22, 8, 27.