I. ˈtrəmp noun
Etymology: Middle English trompe, from Anglo-French trumpe, of Germanic origin; akin to Old High German trumba, trumpa trumpet
Date: 14th century
1.
a. : trumpet
b. chiefly Scottish : Jew's harp
2. : a sound of or as if of trumpeting
the trump of doom
II. noun
Etymology: alteration of triumph (I)
Date: 1529
1.
a. : a card of a suit any of whose cards will win over a card that is not of this suit — called also trump card
b. : the suit whose cards are trumps for a particular hand — often used in plural
2. : a decisive overriding factor or final resource — called also trump card
3. : a dependable and exemplary person
III. verb
Date: 1586
transitive verb
1. : to get the better of : override
where ambition invariably trump s loyalty — Michael Kramer
2. : to play a trump on (a card or trick) when another suit was led
intransitive verb
: to play a trump when another suit was led