Definitionen
1.NounOne who demonstrates anything, or proves beyond doubt.
2.NounThe forefinger.
3.NounOne who takes part in a demonstration; a protester.
4.NounOne who demonstrates products in a retail environment; a merchandiser.
5.NounAn item, particularly a vehicle, used in demonstrations to a customer or user.
6.NounAn assistant to a lecturer.
7.NounOne who teaches anatomy from the dissected parts.