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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

artifact, artefact go
a man-made object taken as a whole

instrumentation, instrumentality go
an artifact (or system of artifacts) that is instrumental in accomplishing some end

device go
an instrumentality invented for a particular purpose

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

noun.artifact

5 Subcategories

horn, hooter, automobile horn, car horn, motor horn go
a device on an automobile for making a warning noise
burglar alarm go
a warning device that is tripped off by the occurrence of a burglary
fire alarm, smoke alarm go
an alarm that is tripped off by fire or smoke
horn go
an alarm device that makes a loud warning sound
siren go
an acoustic device producing a loud often wailing sound as a signal or warning