Any of several devices that allow two electrical items to be plugged into a single power outlet.

A round of questioning or other situation where the possible gains and/or losses from choices are magnified.

Alternative spelling of double-spaced

(of a jacket or coat) Closing with a double row of buttons that form a wide overlap.

(trucking, slang) A tandem trailer operation, where two large hauling trailers are connected with a single axle, wheeled device known as a tandem dolly, allowing a truck to carry two or more trailers bound for separate destinations.

A vehicle (usually a bus, coach or train) or aircraft with two floors. / A frigate with two decks above the waterline. / (figuratively) Any object with two layers or parts stacked on top of each other.

(not comparable) Of a blade, such as a sword or knife, sharp on both edges. / (comparable, figuratively) As dangerous for the user as the one it is used on.

(accounting) Describing a method of bookkeeping in which each transaction is entered in two accounts, for debits and for credits.

Alternative form of double talk

Alternative spelling of double date