Device

noun

1. Any piece of equipment made for a particular purpose, especially a mechanical or electrical one.

   "There are a number of household devices in a kitchen such as a dishwasher, a garbage disposal, or an electric can opener."

2. A peripheral device; an item of hardware.
3. A project or scheme, often designed to deceive; a stratagem; an artifice.
4. An improvised explosive device, home-made bomb
5. A technique that an author or speaker uses to evoke an emotional response in the audience; a rhetorical device.