appliance

1 an interesting and often novel device with a practical use since the invention of the cork, all manner of appliances have been invented for the extraction of these sometimes troublesome stoppers Synonyms gadget, contraption, contrivance, gimmick, gizmo (also gismo), jigger, widgetRelated Words implement, instrument, tool, utensil; ingenuity, innovation, invention; accessory (also accessary), adjunct; mechanism, trick; dingus, doodad, doohickey, hickey, hootenanny [chiefly dialect], thingamabob, thingamajig (or thingumajig), thingummy

2 something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment an appliance that allows the machine to be used as a sander Synonyms accoutrement (or accouterment), adapter (also adaptor), add-on, adjunct, appendage, accessory, attachment, optionRelated Words accompaniment, additive, complement, supplement; auxiliary, subsidiary; amenity, doodad, embroidery, extra, filler, frill, incidental, luxury, nonessential, nonnecessity; appurtenances, bells and whistles, equipment, furnishings, habiliment(s), paraphernalia, trappings; adornment, decoration, embellishment, enhancement, garnish, ornament, trim, trimmingNear Antonyms essential, necessity, requirement, requisite