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In English law. A gathering of twelve persons or more, intending, going about, or practicing unlawfully and of their own authority to change any laws of the realm; or to destroy the inclosure of any park or ground inclosed, banks of fish-ponds, pools, conduits, etc., to the intent the same shall remain void; or that they shall have way in any of the said grounds; or to destroy the deer in any park, fish in ponds, coneys in any warren, dove- houses, etc.; or to burn sacks of corn; or to abate rents or prices of victuals, etc. See Cowell.