DEFUSE
defuse
(verb) remove the triggering device from
Source: WordNet® 3.1
Etymology 1
Verb
defuse (third-person singular simple present defuses, present participle defusing, simple past and past participle defused)
(transitive) To remove the fuse from (a bomb, etc.).
(transitive) To make less dangerous, tense, or hostile.
Usage notes
The words defuse and diffuse are sometimes confused.
Etymology 2
Verb
defuse (third-person singular simple present defuses, present participle defusing, simple past and past participle defused)
(obsolete) To disorder; to make shapeless.
Source: Wiktionary
De*fuse", v. t. Etym: [Cf. Diffuse.]
Definition: To disorder; to make shapeless. [Obs.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition