a double measure of liquor:

a hit that allows the batter to reach second base safely:

a type of bet in which two selections are made, with any winnings from the first being transferred to the second.

a call that will increase the points won if the declarer is successful, or increase the penalty points won by the defenders if the declarer fails to make the contract.

a hit on the narrow ring enclosed by the two outer circles of a dartboard, scoring double:

a person who stands in for an actor in a film.

an apparition of a living person:

make twice as much or as many of (something):

amount to twice as much as:

(of a member of the armed forces) move at twice the usual speed; run:

(of a batter) get a two-base hit:

make a call increasing the value of the penalty points to be scored on an opponent's bid if it wins the auction and is not fulfilled:

clench (a fist):

sail around (a headland):