DETONATOR
detonator, detonating device, cap
(noun) a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive
Source: WordNet® 3.1
Etymology
Noun
detonator (plural detonators)
A device used to detonate an explosive device etc.
(rail transport, UK) a small explosive device attached to the railhead to provide an audible warning when a train passes over it.
(archaic) Any explosive whose action is practically instantaneous.
(obsolete) A gun fired by a percussion cap.
Synonyms
• (rail transport): torpedo (US)
Anagrams
• denotator, rattooned, tetraodon
Source: Wiktionary
Det`o*na`tor, n.
Definition: One who, or that which, detonates.
Source: Webster’s Unabridged Dictionary 1913 Edition