noun Any piece of equipment made for a particular purpose, especially a mechanical or electrical one.
noun A peripheral device; an item of hardware.
noun 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."
noun An improvised explosive device, home-made bomb
noun A technique that an author or speaker uses to evoke an emotional response in the audience; a rhetorical device.
noun 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.
noun Power of devising; invention; contrivance.
noun An image used in whole or in part as a trademark or service mark.