Obs. rare–0. [ad. late L. zygostatēs, a. Gr. ζυγοστάτης, f. ζυγόν yoke, beam of a balance, etc. + ἱστάναι to set, place.] Hence † Zygostatical a. (obs. rare–1). (See quots.)
1623. Cockeram, Zygost[at]e, one that is appointed to see the weights, a Clarke of the market.
[1654. Charleton, Physiol. Epic.-Gass.-Charlton., 403. Such a Zygostata or Ballance, wherewith Jewellers are to weigh Pearles and Diamonds.]
1656. Blount, Glossogr., Zygostatical … belonging to the pound weight of Sixteen ounces, or to a Clark of a Market that looks to weights.
