D defs.my
Entry 2 senses Webster, 1913

Numerosity

· Nu·mer·os·i·ty · IPA
01 n. The state of being numerous; numerousness.
  1. 1.
    The state of being numerous; numerousness.[Obs.]
  2. 2.
    Rhythm; harmony; flow.[Obs.]
    “The numerosity of the sentence pleased the ear.” — S. Parr.