Demand

n.
  1. The act of demanding; an asking with authority; a peremptory urging of a claim; a claiming or challenging as due; requisition; as, the demand of a creditor; a note payable on demand.
  2. Earnest inquiry; question; query.
  3. A diligent seeking or search; manifested want; desire to possess; request; as, a demand for certain goods; a person's company is in great demand.
  4. That which one demands or has a right to demand; thing claimed as due; claim; as, demands on an estate.
    1. The asking or seeking for what is due or claimed as due.
    2. The right or title in virtue of which anything may be claimed; as, to hold a demand against a person.
    3. A thing or amount claimed to be due.
    In demand ,
    in request; being much sought after.
    On demand ,
    upon presentation and request of payment.