acoustic device - a device for amplifying or transmitting sound

adaptor, adapter - device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible

afterburner - a device injects fuel into a hot exhaust for extra thrust

agglomerator - a device that causes material to gather into rounded balls; "a sonic agglomerator"

aerofoil, airfoil, control surface, surface - a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight

alarm system, warning device, alarm - a device that signals the occurrence of some undesirable event

appliance, contraption, contrivance, gadget, widget, gismo, gizmo, convenience - a device that is very useful for a particular job

applicator, applier - a device for applying a substance

aspergill - a short-handled device with a globe containing a sponge; used for sprinkling holy water

robot pilot, automatic pilot, autopilot - a navigational device that automatically keeps ships or planes or spacecraft on a steady course

bait, decoy, lure - something used to lure victims into danger

billiard marker - a device for keeping the score in a game of billiards

blower - a device that produces a current of air

bootjack - has V-shaped notch for pulling off boots

breathalyser, breathalyzer - a device that measures chemicals (especially the alcohol content) in a person's expired breath

breathing apparatus, breathing device, breathing machine, ventilator - a device that facilitates breathing in cases of respiratory failure

bubbler - any of various devices in which air or some other gas is bubbled through a liquid

fender, buffer - a cushion-like device that reduces shock due to contact

catapult, launcher - a device that launches aircraft from a warship

battery charger, charger - a device for charging or recharging batteries

comb - a flat device with narrow pointed teeth on one edge; disentangles or arranges hair

baby's dummy, teething ring, pacifier, comforter - device used for an infant to suck or bite on

conductor - a device designed to transmit electricity, heat, etc.

birth control device, contraceptive, contraceptive device, prophylactic device, preventative, preventive - an agent or device intended to prevent conception

converter, convertor - a device for changing one substance or form or state into another

corer - a device for removing the core from apples

corrective, restorative - a device for treating injury or disease

crusher - a device that crushes something

cryptograph - a device for deciphering codes and ciphers

cutoff - a device that terminates the flow in a pipe

dampener, moistener - a device that dampens or moistens something; "he used a dampener to moisten the shirts before he ironed them"

damper, muffler - a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

data input device, input device - a device that can be used to insert data into a computer or other computational device

deflector - a device intended to turn aside the flow of something (water or air or smoke etc)

dental appliance - a device to repair teeth or replace missing teeth

depressor - a device used by physician to press a part down or aside

detector, sensing element, sensor - any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner

diestock - a device that holds the dies that cut external threads on metal cylinders

expressive style, style - a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period; "all the reporters were expected to adopt the style of the newspaper"

rhetorical device - a use of language that creates a literary effect (but often without regard for literal significance)

tactical maneuver, tactical manoeuvre, maneuver, manoeuvre - a move made to gain a tactical end

fast one, trick - a cunning or deceitful action or device; "he played a trick on me"; "he pulled a fast one and got away with it"

pattern, design, figure - a decorative or artistic work; "the coach had a design on the doors"

seal, stamp - a device incised to make an impression; used to secure a closing or to authenticate documents

emblem - special design or visual object representing a quality, type, group, etc.

union - a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)

heraldry - the study and classification of armorial bearings and the tracing of genealogies