E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Party.
Person or persons under consideration. This is the next party, your worshipi.e. the next case to be examined. This is the party that stole the thingsthe person or persons accused. (French, partie, a person.)
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If an evil spirit trouble any, one must make a smoke and the party shall be no more vexed.Tobit vi. 7.