Definify.com
Webster 1913 Edition
Trump
Trump
,Noun.
 [OE. & , and cf. 
trumpe
, trompe
, F. trompe
; probably fr. L. triumphare 
to triumph, to exult, hence, probably, to make a joyous sound or noise. See Triumph
, Verb.
 I.
 Noun.
Trombone
, Tromp
, Trump 
at cards, Trumpery
, Trumpet
, Trunk 
a proboscis.] A wind instrument of music; a trumpet, or sound of a trumpet; – used chiefly in Scripture and poetry. 
We shall all be changed, in a moment, in the twinkling of an eye, at the last 
trump
. 1 Cor. xv. 51, 52.
The wakeful 
 trump 
of doom. Milton.
Trump
,Verb.
 I.
 [Cf. OF. 
tromper
. See Trump 
a trumpet.] To blow a trumpet. 
[Obs.] 
Wyclif (Matt. vi. 2).
 1. 
A winning card; one of a particular suit (usually determined by chance for each deal) any card of which takes any card of the other suits. 
2. 
An old game with cards, nearly the same as whist; – called also 
ruff
. Decker.
 3. 
A good fellow; an excellent person. 
[Slang] 
Alfred is a 
trump
, I think you say. Thackeray.
To put to one’s trumps
, or To put on one's trumps
to force to the last expedient, or to the utmost exertion.
 But when kings come so low as to fawn upon philosophy, which before they neither valued nor understood, it is a sign that fails not, they are then 
put to their 
last trump
. Milton.
Put 
the housekeeper to her trumps 
to accommodate them. W. Irving.
Trump
,Verb.
 I.
 [
imp. & p. p. 
Trumped
; p. pr. & vb. n. 
Trumping
.] To play a trump card when one of another suit has been led. 
 Trump
,Verb.
 T.
 To play a trump card upon; to take with a trump card; 
 as, she 
. trumped 
the first trickTrump
,Verb.
 T.
 1. 
To trick, or impose on; to deceive. 
[Obs.] 
“To trick or trump mankind.” B. Jonson.
 2. 
To impose unfairly; to palm off. 
Authors have been 
trumped 
upon us. C. Leslie.
To trump up
, to devise; to collect with unfairness; to fabricate; as, to trump up a charge.
 Webster 1828 Edition
Trump
TRUMP
,Noun.
  1.
  A trumpet; a wind instrument of music; a poetical word used for trumpet.  It is seldom used in prose, in common discourse; but is used in Scripture, where it seems peculiarly appropriate to the grandeur of the subject. At the last trump; for the trumpet shall sound, and the dead shall be raised. 1 Cor.15. 1 Thess 4.
2.
  [contracted from triumph.]  A winning card; one of the suit of cards which takes any of the other suits.3.
  An old game with cares.To put to the trumps,
To put on the trumps,  to reduce to the last expedient, or to the utmost exertion of power.
TRUMP
,Verb.
I.
 1.
  To obtrude; also, to deceive.  [Not in use.]To trump up, to devise; to seek and collect from every quarter.
TRUMP
,Verb.
I.