Lewis & Short

rĕdundātĭo, ōnis, f. [redundo],

  1. I. an overflowing; hence, transf.: stomachi, a rising, Plin. 7, 6, 5, § 41; 11, 37, 55, § 149: astrorum, the flowing back, i. e. revolution, Vitr. 9, 1 fin.
  2. II. Transf., the over-abundance, multitude: cicatricum tuarum redundationes, Quint. Decl. 4, 11.