free float

Noun

 * 1) An estimate of the proportion of shares of a public company that are not held by large owners and that are not stock with sales restrictions.
 * 2) A floating rate of exchange rate under which the currency's value is allowed to fluctuate in response to foreign-exchange market mechanisms without government intervention.

Verb

 * 1)  to alter a firearm so that no part of the barrel touches the stock.