Unanimity
Defined in 2 dictionaries — Black's (1910), Bouvier (1839)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Agreement of all the persens concerned, in holding one and the same opinion or determination of any matter or question; as the cencurrence of a jury in deciding upon their verdict.
A Law Dictionary, Adapted to the Constitution and Laws of the United States
John Bouvier · 1839
the agreement of all the persons concerned in a thing in design and opinion. Generally a simple majority, (q. v.) of any number of persons is sufficient to do such acts that the whole number can do; for example, a. majority of the legislature can pass a law; but there are required; for example, a traverse jury, composed of twelve individuals, cannot decide an issue submitted to them, unless they are unanimous.