What is the meaning of allowance?

noun

• An amount allowed or granted (as during a given period. )
  • usage: "travel allowance"; "my weekly allowance of two eggs"; "a child's allowance should not be too generous"
• A sum granted as reimbursement for expenses.
• An amount added or deducted on the basis of qualifying circumstances.
  • usage: "an allowance for profit"
  • synonyms: adjustment
• A permissible difference; allowing some freedom to move within limits.
  • synonyms: leeway, margin, tolerance
• A reserve fund created by a charge against profits in order to provide for changes in the value of a company's assets.
  • synonyms: valuation reserve, valuation account, allowance account
• The act of allowing.
  • usage: "He objected to the allowance of smoking in the dining room"

verb

• Put on a fixed allowance, as of food. .