Definition of "rounding"

rounding

/ˈɹaʊndɪŋ/

adjective
comparative more rounding, superlative most rounding
1. Round or nearly round; becoming round; roundish.
  Quotations
  Tashtego's long, lean, sable hair, his high cheek bones, and black rounding eyes— […] all this sufficiently proclaimed him an inheritor of the unvitiated blood of those proud warrior hunters, who, in quest of the great New England moose, had scoured, bow in hand, the aboriginal forests of the main.
  1851 November 14, Herman Melville, “Knights and Squires”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, page 131
noun
countable and uncountable, plural roundings
1. The act by which a numerical value is rounded.
2. The numerical value obtained by this process.
3. The act of making anything round, as the lips in pronouncing some vowels.
4. A rounded surface; a curve.
  Quotations
  In the early Egyptian works, the relief was low, the surface flat, and but little if any attempt was made to show the roundings of the human figure, or to exhibit the inflexion of the human form.
  1860, Journal of the Society of Arts, volume 8, page 292
5. In bookbinding, the shaping of the folded and sewed sheets into a convex form at the back.
verb
1. present participle and gerund of round