Save Gender Masculine Usage American (Rare), English (British, Rare) Pronounced Pron. TRIG-gər(American) TRIG-ə(British English) [key] Meaning & History Meaning can be particular to the bearer, such as "trigger of a gun" for someone noted for marksmanship. In the British television series 'Only Fools and Horses' (1981-1991) one character was called Trigger after the horse owned by Roy Rogers.