Emily Dickinson Lexicon

QUO'RUM, n. [L. gen. plur. of qui, who.]

1. A bench of justices, or such a number of officers or members as is competent by law or constitution to transact business; as, a quorum of the house of representatives. A constitutional quorum was not present.
2. A special commission of justices. Quorum pars fui. [L.] Of which or whom I was a part.