trigger

v.t. (to initiate, actuate or set off esp. by means of a comparatively weak impulse) प्रवर्तित करणे, चेतवणे n. Math. १ चाप (पु.), घोडा (पु.) २ (something that acts like a mechanical trigger esp. in being a sensitive means of initiating a process or reaction) प्रवर्तक (पु.), चेतक (पु.) adj.- प्रवर्तक-