device

noun

1. Any piece of equipment made for a particular purpose, especially a mechanical or electrical one.
2. A peripheral device; an item of hardware.
3. A project or scheme, often designed to deceive; a stratagem; an artifice. 1602, Shakespeare, The Merry Wives of Windsor. "This is our device,/ That Falstaff at that oak shall meet with us."
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.
6. A motto, emblem, or other mark used to distinguish the bearer from others. A device differs from a badge or cognizance primarily as it is a personal distinction, and not a badge borne by members of the same house successively.
7. Power of devising; invention; contrivance.
8. An image used in whole or in part as a trademark or service mark.
9. An image or logo denoting official or proprietary authority or provenience.
10. Any specific class of wordplay element in a cryptic crossword.
11. A spectacle or show.
12. Opinion; decision.