ig·no·ra·mus /ˌɪgnəˈreməs ||ˈræ-/
1. Law We are ignorant; we ignore; -- being the word formerly written on a bill of indictment by a grand jury when there was not sufficient evidence to warrant them in finding it a true bill. The phrase now used is, “No bill,” “No true bill,” or “Not found,” though in some jurisdictions “Ignored” is still used.
2. (pl. Ignoramuses ) A stupid, ignorant person; a vain pretender to knowledge; a dunce.
An ignoramus in place and power. --South.
n : an ignorant person [syn: know nothing, uneducated person]