Definition of trigger finger in English:

trigger finger

Line breaks: trig|ger fin¦ger


  • 1The forefinger of the right hand, as that with which the trigger of a gun is typically pulled.
    More example sentences
    • The real manual safety is a small sliding catch on the right side of the frame, directly behind the trigger and operated easily - after a bit of practice - by the trigger finger of a right-handed shooter.
    • The weapon's safety is located on the right side of the trigger guard and is easily manipulated via the trigger finger - if you're right handed.
    • That's right: you can slide the trigger mechanism back and forth to adjust for the length of your trigger finger and your preferred pull weight.
  • 2 [mass noun] Medicine A defect in a tendon causing a finger to jerk or snap straight when the hand is extended.
    More example sentences
    • Faulty breathing, stage fright, cumulative trauma disorders, tendonitis, carpal tunnel and cubital tunnel syndrome, trigger finger and tennis elbow also are reviewed.
    • The truly unfortunate will succumb to trigger finger.
    • An often painful condition, trigger finger is caused by a narrowing of the sheath that surrounds the tendon in the affected finger.

More definitions of trigger finger

Definition of trigger finger in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day maelstrom
Pronunciation: ˈmālˌsträm
a powerful whirlpool in the sea

Shop for an Oxford dictionary

Find the perfect Oxford dictionary for you in our online shop.