7 letters · 9 points in Scrabble
noun lever that activates the firing mechanism of a gun
noun a device that activates or releases or causes something to happen
noun an act that sets in motion some course of events
originOriginally tricker, from Dutch trekker (“pull”, noun, as in drawer-pull, bell-pull), from Dutch trekken (“to drag, draw, pull”).
Etymology from Wiktionary, CC BY-SA 3.0