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PROBATOR. Ancient English law. Strictly, an accomplice in felony, who to save himself confessed the fact, and charged or accused any other as principal or accessary, against whom he was bound to make good his charge. It also signified an approver, or one who undertakes to prove a crime charged upon another. Jacob's Law Dict. h.t.

References in periodicals archive ?
Dovuti a questo continuum fonico sono i due neologismi (31), hapax apuleiani, improbator ("chi disapprova")--prospector ("colui che provvede e prevede") e l'hapax assoluto praemonitor ("colui che avverte"), in omeoteleuto con gli altri sette nomina agentis, posti tutti alla fine dei cola (speculator, curator, cognitor, obseruator, probator, tutator, opitulator) e uniti tra loro anche da allitterazioni (Curator / Cognitor; PRospector/PRaemonitor); inoltre improbator e probator, preceduti da due lessemi omeoptotici, danno origine a una figura etimologica che segna una forte antitesi tra il disapprovare il male e l'approvare il bene.
85 (deinde huius rationis non modo non inuenTOREM, sed ne probaTOREM quidem esse ME idque ME non ad meam DEFENSIONEM ATTVLISSE, sed illorum DEFENSIONI RETTVLISSE): probator neol.
In the appeal proper--the actual verbal instrument--the person entering into the appeal, the probator, had to confess guilt, although by the time of turning probator this guilt would already have been so thoroughly established that an appeal might seem worthwhile.
Adam Clerk won the acquittal he did by electing judicial combat against his probator.