DOUBLE

I. adjective see: two Date: 13th century having a twofold relation or character ; dual , consisting of two usually combined members or parts , 3. being twice as great or as many , worth two of the specified amount , marked by duplicity ; deceitful , folded in two, of extra size, strength, or value , having more than the normal number of floral leaves often at the expense of the sporophylls, involving correspondence of two syllables (as in exciting and inviting ), designed for the use of two persons , ~ness noun II. verb (~d; doubling) Date: 13th century transitive verb to make twice as great or as many: as, to increase by adding an equal amount, to amount to twice the number of, to make a call in bridge that increases the value of odd tricks or undertricks at (an opponent's bid), 2. to bend or fold (as a sheet of paper) usually in the middle so that one part lies directly against the other part, clench , to cause to stoop, to avoid by doubling ; elude , 4. to replace in a dramatic role, to play (dramatic roles) by doubling, 5. a. to advance or score (a base runner) by a ~, to bring about the scoring of (a run) by a ~, to put out (a base runner) in completing a ~ play, intransitive verb 1. to become twice as much or as many, to ~ a bid (as in bridge), 2. to turn sharply and suddenly, to follow a circuitous course, to become bent or folded usually in the middle, 4. to serve an additional purpose or perform an additional duty, to play a dramatic role as a ~, to make a ~ in baseball, ~r noun III. adverb Date: 14th century to twice the extent or amount, two together , downward and forward from the usual position , IV. noun Date: 14th century something twice the usual size, strength, speed, quantity, or value: as, a ~ amount, a base hit that enables the batter to reach second base, one that is the counterpart of another ; duplicate : as, a living person that closely resembles another living person, wraith , c. understudy , one who resembles an actor and takes his or her place especially in scenes calling for special skills, an actor who plays more than one role in a production, 3. a sharp turn (as in running) ; reversal , an evasive shift, something consisting of two paired members: as, fold , a combined bet placed on two different contests, two consecutive strikes in bowling, a game between two pairs of players, an act of doubling in a card game, a room (as in a hotel) for two guests