| n. | 1. | One who demonstrates; |
| 2. | (Anat.) A teacher of practical anatomy. | |
| 3. | a person who participates in a demonstration{7}. |
| Noun | 1. | demonstrator - a teacher or teacher's assistant who demonstrates the principles that are being taught |
| 2. | demonstrator - someone who demonstrates an article to a prospective buyer Synonyms: sales demonstrator | |
| 3. | demonstrator - someone who participates in a public display of group feeling Synonyms: protester |