device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"

gadgetry - appliances collectively; "labor-saving gadgetry"

gimbals - an appliance that allows an object (such as a ship's compass) to remain horizontal even as its support tips

injector - a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)

mod con - modern convenience; the appliances and conveniences characteristic of a modern house

invention, excogitation, innovation, conception, design - the creation of something in the mind

scheme, strategy - an elaborate and systematic plan of action

plant - something planted secretly for discovery by another; "the police used a plant to trick the thieves"; "he claimed that the evidence against him was a plant"

pump-and-dump scheme - an illegal scheme for making money by manipulating stock prices; the schemer persuades other people to buy the stock and then sells it himself as soon as the price of the stock rises

wangle, wangling - an instance of accomplishing something by scheming or trickery

organisation, organization, arrangement, system - an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"

temporary hookup, patch - a connection intended to be used for a limited time

arrangement - an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"

invention - the act of inventing