double

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double

1. (of flowers) having more than the normal number of petals
2. Maths
a. (of a root) being one of two equal roots of a polynomial equation
b. (of an integral) having an integrand containing two independent variables requiring two integrations, in each of which one variable is kept constant
3. Music
a. (of an instrument) sounding an octave lower than the pitch indicated by the notation
b. (of time) duple, usually accompanied by the direction alla breve
4. an actor who plays two parts in one play
5. Bridge a call that increases certain scoring points if the last preceding bid becomes the contract
6. Billiards Snooker a strike in which the object ball is struck so as to make it rebound against the cushion to an opposite pocket
7. a bet on two horses in different races in which any winnings from the horse in the first race are placed on the horse in the later race
8. Chiefly RC Church one of the higher-ranking feasts on which the antiphons are recited both before and after the psalms
9. Music an ornamented variation in 16th and 17th century music
10. 
a. the narrow outermost ring on a dartboard
b. a hit on this ring
References in periodicals archive ?
The cultivars were nine commercial single-cross hybrids (Cargill 3677 and 4111; DeKalb Brand DK449 and DK442; Mycogen 2500, 2275, and 2395; Ottilie RO2431 and RO2439) (1) and all possible 36 double-cross hybrids (reciprocals excluded) produced by crossing the single crosses.
This double double-cross was made possible mainly because interest in the story was promoted by Tony Blair's spin doctors in Downing Street.
In other words, you don't double-cross the INC and get away with it," the senator added.
First up, he's needed to help solve a murder that plays to his ability to double-cross.
Double-cross follows double-cross and the plot becomes more contrived.