Verb
decock (third-person singular simple present decocks, present participle decocking, simple past and past participle decocked)
(transitive) To uncock; to let down the cock of (a firearm).
Several high quality kalimba makers exist around the world today: Lucinda Ellison, Andrew Masters, David Bellinger, Steve Catania, Luc DeCock, R. P. Collier, and Greg Trimble. Source: Internet