/in fawr"meuhnt/ , n.
1. a person who informs or gives information; informer.
2. a person who supplies social or cultural data in answer to the questions of an investigator.
3. Ling. a native speaker of a language who supplies utterances and forms for one analyzing or learning the language.
[ 1655-65; informant- (s. of informans ) prp. of informare. See INFORM 1 , -ANT ]
Syn. 1. source, adviser, tipster.