Lewis & Short

inflexĭo, ōnis, f. [inflecto], a bending.

  1. I. Prop.: quasi helicis inflexio, Cic. Univ. 9, 27: dextra inflexio Bospori, Amm. 22, 8, 14: laterum inflexione forti ac virili, a vigorous and manly attitude, Cic. de Or. 3, 59, 229.
  2. II. Transf., an inflection, modification: in adverbio temporum significationes non de ejusdem soni inflexione nascuntur, Macr. de Diff. c. 19, § 4.