F / flexūra
noun

flexūra

gen. flexūrae · gender feminine · decl. 1st
flexus, from flecto
a bending; winding; turning
a bending, winding, turning (rare; not in Cic.).
Lit.: lateris, Lucr. 4, 336: angustiae flexuraeque vicorum, Suet. Ner. 38.—
figuratively
Trop.: virtus recta est: flexuram non recipit, Sen. Ep. 71, 19.—
inflection; declension by extension
Transf., in gram., inflection, declension of a word, Varr. L. L. 10, § 28 Müll.