thirdsmann.
/ˈθəːdzmən/ A third person or party; esp. one called in as an intermediary, mediator, or arbiter.
ΘΚΠ
the mind > attention and judgement > judgement or decision > settlement of dispute, arbitration > [noun] > one who arbitrates > with casting vote
odd man1445
third person1709
third party1817
thirdsman1818
society > law > administration of justice > general proceedings > [noun] > person involved in proceedings > besides two primarily concerned
third person1709
third party1817
thirdsman1818
1818 W. Scott Heart of Mid-Lothian xii, in Tales of my Landlord 2nd Ser. II. 298 There was risk of Andro Ferrara coming in thirdsman.
1818 W. Scott Heart of Mid-Lothian xi, in Tales of my Landlord 2nd Ser. IV. 234 If I come in thirdsman among you at the kirk-sessions, you will pe all in a tamn'd bad posture indeed.
1887 G. Saintsbury Hist. Elizabethan Lit. x. 386 Herrick and Carew..with Crashaw as a great thirdsman, called themselves ‘sons’ of Ben Jonson.
This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2021).
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n.1818