essoin /ɪˈsɔɪn/noun 2verb 1forms 3 noun2 •(UK, no longer used) An excuse for not appearing in court at the return of process; the allegation of an excuse to the court. •(no longer used) Excuse; exemption.From euery worke he chalenged essoyne. — 1590 verb1 •(UK) To excuse for failure to appear in court.I'll not essoin thee. — 1633 formsessoined · essoining · essoins