a person who exhibits the use and application of (a product, service, etc.) to a prospective customer.
the product, device, machine, etc., actually used in demonstrations
to purchasers or prospective customers: They sold the demonstrator at half price.
Origin: 1605–15; Related forms
< Latin dēmonstrātor,
equivalent to dēmonstrā
) (see demonstrate
) + -tor -tor
is always a great word to know.
So is gobo. Does it mean: