Rotundity /(?)/

Ro·tund·i·ty

Rotundity

n.
  1. The state or quality of being rotu; roundness; sphericity; circularity.
    Smite flat the thick rotundity o'the world!
  2. Hence, completeness; entirety; roundness.
    For the more rotundity of the number and grace of the matter, it passeth for a full thousand.
    A boldness and rotundity of speech.