Demonstrator
WordNet
noun
(1) Someone who participates in a public display of group feeling
(2) Someone who demonstrates an article to a prospective buyer
(3) A teacher or teacher's assistant who demonstrates the principles that are being taught
WiktionaryText
Synonyms
- arrow-finger
- forefinger
- index
- index finger
- insignitor
- lickpot
- pointling
- showing finger
- teacher
- See also Wikisaurus:index finger