Emily Dickinson Lexicon

CON'STAT, n. [L. it appears.]

1. In England, a certificate given by the clerk of the pipe and auditors of the exchequer, to a person who intends to plead or move for a discharge of any thing in that court. The effect of it is to show what appears upon the record, respecting the matter in question.
2. An exemplification under the great seal of the enrollment of any letters patent. – Encyc.