double-n; 9 Senses

Sense Number 1: twice the quantity or amount of something

Commentary: DOUBLE[+quantity][+amount][+twice]

John paid double what Tom did for tickets to the game.
When the dough is double in size, punch it down.
The effort to put in a patio was double what we expected.
Pete ordered a double scotch on the rocks.
Mary scored double with that Scrabble word. (twice the points)

WordNet 3.0 Sense Numbers: 4

Sense Number 2: any artifact whose utility is intended for two people

Commentary: DOUBLE[+artifact][+role][+utility][+intended][+for_two_people]

The beds in our hotel room were doubles, not queens.
How much is a double with a private bath?
Mary bought a double hammock from Indians in the Yucatan.

WordNet 0.0 Sense Numbers: 1

Sense Number 3: professional stand_in for a film actor

Commentary: DOUBLE[+person][+role][+profession][+stand_in][+for_another]

The stuntman has played the double of a famous actor is several action films.
THere has been speculation that the man who gave the speech was actually a double of the ailing dictator.

WordNet 3.0 Sense Numbers: 2

Sense Number 4: a person who looks extremely similar to another person

Commentary: DOUBLE[+person][+role][-profession][+look_alike][+of_someone]

Identical twins are each other's doubles.
That girl walking down the street could be the double of Paris Hilton.

WordNet 3.0 Sense Numbers: 3

Sense Number 5: two_base hit in baseball

Commentary: DOUBLE[+event][+baseball][+hit][+two_base]

The batter hit a long drive to right field for a double.
The pitcher allowed a double and two singles in the last inning.

WordNet 3.0 Sense Numbers: 1

Sense Number 6: raising the stakes or bet of a game by a factor of 2

Commentary: DOUBLE[+event][+raising][+of_stakes][+betting][+by_factor][+of_two]

Bob folded his poker hand after John's double of the bet.
Mary's double during the hand of bridge surprised her opponents.

WordNet 3.0 Sense Numbers: 5

Sense Number 7: sports games where each team is two people

Commentary: DOUBLES[+game][+sports][+team][+with_two_people]
NOTE: always in the plural form

Who is playing doubles in the tennis court this afternoon?
John enjoys doubles volleyball.

WordNet 0.0 Sense Numbers: 3

Sense Number 8: walking or moving very fast

Commentary: Idiom: ON_THE_DOUBLE

The soldiers ran across the open field on the double.
The boss says get down to his office on the double!

WordNet 0.0 Sense Numbers: Idiom

Sense Number 9: a gamble to decide whether a debt should be cancelled or doubled

Commentary: Idiom: DOUBLE_OR_NOTHING

Bob lost a lot of money by playing double or nothing on the roulette wheel.

WordNet 0.0 Sense Numbers: Idiom