turning-point Copy link Outline 1. flexus, ūs, m.2. cardo, ĭnis, m. • turning-point: 1. flexus, ūs, m.: t. of life, aetatis fl., Cic. de Or. 1, 1, 1. 2. cardo, ĭnis, m.: t. of affairs, c. rerum, Virg. Aen. 1, 672.