trump card
1 ENTRIES FOUND:
trump card
noun
plural
trump cards
trump card
noun
plural
trump cards
Britannica Dictionary definition of TRUMP CARD
[count]
1
:
1trump 1
2
:
something that gives you an advantage
-
The prosecution's trump card is the evidence linking the defendant to the murder weapon.
-
He played/used his trump card during the negotiations.
