informern.[From Inform, v.]1. One who informs, animates, or inspires.(Thomson.)Nature, informer of the poet's art. (Pope.)2. One who informs, or imparts knowledge or news.()3. (Law) One who informs a magistrate of violations of law; one who informs against another for violation of some law or penal statute.()Common informer (Law), one who habitually gives information of the violation of penal statutes, with a view to a prosecution therefor. Bouvier. Wharton.()