What is the meaning of rounding?

noun

• Mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals. (
  • usage: "the error in the calculation was attributable to rounding"; "taxes are rounded off to the nearest dollar but the rounding error is surprisingly small"
  • synonyms: rounding error

verb

• Wind around; move along a circular course.
  • usage: "round the bend"
  • synonyms: round
• Make round.
  • usage: "round the edges"
  • synonyms: round, round out, round off
• Pronounce with rounded lips.
  • synonyms: round, labialize, labialise
• Attack in speech or writing.
  • usage: "The editors of the left-leaning paper attacked the new House Speaker"
  • synonyms: attack, round, assail, lash out, snipe, assault
• Bring to a highly developed, finished, or refined state.
  • usage: "polish your social manners"
  • synonyms: polish, round, round off, polish up, brush up
• Express as a round number.
  • usage: "round off the amount"
  • synonyms: round off, round down, round out, round
• Become round, plump, or shapely.
  • usage: "The young woman is fleshing out"
  • synonyms: round, flesh out, fill out