What is A LIBELLIS? Definition of A LIBELLIS in Black's Law Dictionary
L. Lat. An officer who had charge of the libelli or petitions addressed to the sovereign. Calvin. A name sometimes given to a chancellor, (cancellarius,) in the early history of that office. Spelman, "Cancellarius."
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That's the definition of A LIBELLIS in Black's Law Dictionary - Courtesy of Cekhukum.com.