Search Result for "demonstrator": 
Wordnet 3.0

NOUN (3)

1. a teacher or teacher's assistant who demonstrates the principles that are being taught;

2. someone who demonstrates an article to a prospective buyer;
[syn: demonstrator, sales demonstrator]

3. someone who participates in a public display of group feeling;
[syn: demonstrator, protester]


The Collaborative International Dictionary of English v.0.48:

Demonstrator \Dem"on*stra`tor\ (?; 277), n. [L.: cf. F. d['e]monstrateur.] 1. One who demonstrates; specif. (a) one who proves anything with certainty, or establishes it by indubitable evidence. (b) one who shows how a certain device operates or a procedure is performed. [1913 Webster] 2. (Anat.) A teacher of practical anatomy. [1913 Webster] 3. a person who participates in a demonstration[7]. [PJC]
WordNet (r) 3.0 (2006):

demonstrator n 1: a teacher or teacher's assistant who demonstrates the principles that are being taught 2: someone who demonstrates an article to a prospective buyer [syn: demonstrator, sales demonstrator] 3: someone who participates in a public display of group feeling [syn: demonstrator, protester]
Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "demonstrator": allegorist, annotator, cicerone, clarifier, commentator, critic, cryptanalyst, cryptographer, cryptologist, decoder, definer, demythologizer, diaskeuast, dragoman, editor, emendator, emender, euhemerist, exegesist, exegete, exegetist, explainer, explicator, exponent, expositor, expounder, go-between, guide, hermeneut, interpreter, lexicographer, metaphrast, oneirocritic, paraphrast, picket, picket line, picketer, scholiast, textual critic, translator