What is the meaning of proportion?

noun

• The quotient obtained when the magnitude of a part is divided by the magnitude of the whole.
• Magnitude or extent.
  • usage: "a building of vast proportions"
  • synonyms: dimension
• Balance among the parts of something.
  • synonyms: symmetry
• The relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree.
  • usage: "an inordinate proportion of the book is given over to quotations"; "a dry martini has a large proportion of gin"
  • synonyms: ratio
• Harmonious arrangement or relation of parts or elements within a whole (as in a design. ) "in all perfectly beautiful objects there is found the opposition of one part to another and a reciprocal balance- John Ruskin
  • synonyms: proportionality, balance

verb

• Give pleasant proportions to.
  • usage: "harmonize a building with those surrounding it"
• Adjust in size relative to other things. .