Search Result for "trigger": 
Wordnet 3.0

NOUN (3)

1. lever that activates the firing mechanism of a gun;
[syn: gun trigger, trigger]

2. a device that activates or releases or causes something to happen;

3. an act that sets in motion some course of events;
[syn: trigger, induction, initiation]


VERB (2)

1. put in motion or move to act;
- Example: "trigger a reaction"
- Example: "actuate the circuits"
[syn: trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off]

2. release or pull the trigger on;
- Example: "Trigger a gun"


The Collaborative International Dictionary of English v.0.48:

Trigger \Trig"ger\, n. [For older tricker, from D. trekker, fr. trekken to draw, pull. See Trick, n.] 1. A catch to hold the wheel of a carriage on a declivity. [1913 Webster] 2. (Mech.) A piece, as a lever, which is connected with a catch or detent as a means of releasing it; especially (Firearms), the part of a lock which is moved by the finger to release the cock and discharge the piece. [1913 Webster] Trigger fish (Zool.), a large plectognath fish (Balistes Carolinensis or Balistes capriscus) common on the southern coast of the United States, and valued as a food fish in some localities. Its rough skin is used for scouring and polishing in the place of sandpaper. Called also leather jacket, and turbot. [1913 Webster]
WordNet (r) 3.0 (2006):

trigger n 1: lever that activates the firing mechanism of a gun [syn: gun trigger, trigger] 2: a device that activates or releases or causes something to happen 3: an act that sets in motion some course of events [syn: trigger, induction, initiation] v 1: put in motion or move to act; "trigger a reaction"; "actuate the circuits" [syn: trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off] 2: release or pull the trigger on; "Trigger a gun"
The Free On-line Dictionary of Computing (18 March 2015):

trigger An action causing the automatic invocation of a procedure, for instance to preserve referential integrity. A triggers goes into effect when a user attempts to modify data with an insert, delete, or update command. A trigger can instruct the system to take any number of actions when a specified change is attempted. By preventing incorrect, unauthorized, or inconsistent changes to data, triggers help maintain the integrity of the database. [Sybase SQL Server Release 10.0 Transact-SQL User's Guide]. (1995-02-22)