Trigger Verb Noun Finger Mechanical Means Part Release

trig·ger

I

\\ˈtri-gər\\ noun1.
  a. a piece (as a lever) connected with a catch or detent as a means of releasing it; especially : the part of the action moved by the finger to fire a gun
  b. a similar movable part by which a mechanism is actuated
      trigger of a spray gun
2. something that acts like a mechanical trigger in initiating a process or reaction
• trigger adjective
• trig·gered \\-gərd\\ adjective

II

verb
(trig·gered ; trig·ger·ing \\ˈtri-g(ə-)riŋ\\) transitive verb
1.
  a. to release or activate by means of a trigger; especially : to fire by pulling a mechanical trigger
      trigger a rifle
  b. to cause the explosion of
      trigger a missile with a proximity fuse
2. to initiate, actuate, or set off by a trigger
    an indiscreet remark that triggered a fight
    a stimulus that triggered a reflex
intransitive verb
: to release a mechanical trigger

trigger
  trigger (n.) 1660, earlier tricker (1621), from Du. trekker "trigger," from trekken "to pull" (see trek). Tricker was the usual form in Eng. until c.1750. The verb is first recorded 1930, from the noun. Trigger-happy is attested from 1943.

trigger
trig·ger / 5tri^E(r) / noun1. the part of a gun that you press in order to fire it
   (枪的)扳机:
   to pull / squeeze the trigger
   扣扳机
   He kept his finger on the trigger.
   他的手指一直勾着扳机。
2. ~ (for sth) | ~ (to sth / to do sth) something that is the cause of a particular reaction or development, especially a bad one
   (尤指引发不良反应或发展的)起因,诱因:
   The trigger for the strike was the closure of yet another factory.
   触发这次罢工的是另一家工厂的关闭。
3. the part of a bomb that causes it to explode
   触发器；引爆器:
   nuclear triggers
   核引爆器 verb [VN]
1. ~ sth (off) to make sth happen suddenly
   发动；引起；触发
   SYN 

set off

:
   Nuts can trigger off a violent allergic reaction.
   坚果可以引起严重的过敏反应。
2. to cause a device to start functioning
   开动；起动
   SYN 

set off

:
   to trigger an alarm
   触发警报器

trigger verb

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trig·ger
I. \ˈtrigə(r)\ noun
(-s)
Etymology: trig (III) + -er
1. chiefly dialect : a catch or block to hold the wheel of a carriage on a declivity
2. : a block used in shipbuilding to hold a boat on the ways — compare II 1b
II. noun
(-s)
Etymology: alteration (probably influenced by trigger) (I) of earlier tricker, from Dutch trekker, from Middle Dutch trecker something that pulls, from trecken to pull, haul — more at
1. : a piece (as a lever) connected with a catch or detent as a means of releasing it: as
 a.
  (1) : the part of the action of a firearm moved by the finger to release the hammer or firing pin in firing
  (2) : a device that fires an explosive
   < using an A-bomb as trigger for an H-bomb >
 b. : a lever pivoted on the ground ways with the upper end forced against the sliding ways by a hydraulic ram against the lower end in such a manner that the releasing of the trigger allows a ship to be launched by sliding down the ground ways
2. : something that acts like or is felt to resemble a mechanical trigger especially in being a sensitive means of initiating a process or reaction that produces a relatively large effect; especially : something (as an external stimulus) that initiates a physiological or pathological process
 < the odor of food may be a trigger for salivation >
3. [by shortening] :
III. adjective
1. : of, relating to, or associated with a trigger
 < trigger covers >
2. : functioning as or in a manner analogous to a trigger — see
IV. verb
(-ed/-ing/-s)
transitive verb
1. : to release by pulling a mechanical trigger
 < trigger a rifle >
broadly : to cause the explosion of
 < trigger a missile with a proximity fuse >
2. : to initiate, actuate, or set off especially by means of a comparatively weak impulse
 < a single neutron may trigger an extensive chain reaction >
 < an indiscreet remark that triggered off a long and costly strike >
 < the complex mechanism that triggers blood clotting >
intransitive verb

: to release a mechanical trigger