from
The Collaborative International Dictionary of English v.0.48
Ignoramus \Ig`no*ra"mus\, n. [L., we are ignorant. See
{Ignore}.]
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. --Wharton (Law
Dict. ). Burn.
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2. (pl. {Ignoramuses}.) A stupid, ignorant person; a vain
pretender to knowledge; a dunce.
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An ignoramus in place and power. --South.
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