Definition of trump card
- The prosecution's trump card is the evidence linking the defendant to the murder weapon.
- He played/used his trump card during the negotiations.
: a card of a suit any of whose cards will win over a card that is not of this suit —called also trump card
: the suit whose cards are trumps for a particular hand
: a decisive overriding factor or final resource —called also trump card
: to get the better of : override
: to play a trump on (a card or trick) when another suit was led
: to play a trump when another suit was led
: jew's harp
: a sound of or as if of trumpeting
: to cleanse, disentangle, and collect together (fibers) by the use of cards preparatory to spinning
: an instrument or machine for carding fibers that consists usually of bent wire teeth set closely in rows in a thick piece of leather fastened to a back
: an implement for raising a nap on cloth
: playing card
: a game played with cards
: card playing
: to place or fasten on or by means of a card
: to provide with a card
: to list or record on a card
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