One who takes part in a demonstration; a protester.
The forefinger.
One who demonstrates anything, or proves beyond doubt.
An item, particularly a vehicle, used in demonstrations to a customer or user.
An assistant to a lecturer.
One who demonstrates products in a retail environment; a merchandiser.
One who teaches anatomy from the dissected parts.
A labor protest in which employees do only the minimum work required by the rules of a workplace, following safety or other regulations to the letter in order to cause a slowdown.
Of or pertaining to such a protest.