What is the meaning of multiplication?

noun

• The act of producing offspring or multiplying by such production.
  • synonyms: generation, propagation
• A multiplicative increase.
  • usage: "repeated copying leads to a multiplication of errors"; "this multiplication of cells is a natural correlate of growth"
• An arithmetic operation that is the inverse of division; the product of two numbers is computed.
  • usage: "the multiplication of four by three gives twelve"; "four times three equals twelve"
  • synonyms: times