show of hands

Definitions

Information & Library Science

  • noun a method of counting votes by counting the number of raised hands

Law

  • noun a way of casting votes where people show how they vote by raising their hands

Politics

  • noun an informal vote that involves counting the hands raised by people to show support for or rejection of a proposal

Idiom of “show of hands”

approximate estimate of the support for an idea, proposal, etc., mainly in a political context
http://www.dictionarycentral.com/definition/show-of-hands.html