Jack was rigged out in his gold and silver lace. L'Estrange.

To rig a purchase, to adapt apparatus so as to get a purchase for moving a weight, as with a lever, tackle, capstan, etc. -- To rig a ship (Naut.), to fit the shrouds, stays, braces, etc., to their respective masts and yards.

That uncertain season before the rigs of Michaelmas were yet well composed. Burke.

To run a rig, to play a trick; to engage in a frolic; to do something strange and unbecoming.

He little dreamt when he set out
Of running such a rig. Cowper.

To rig the market (Stock Exchange), to raise or lower market prices, as by some fraud or trick. [Cant]