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Reg. Orig

Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)

Ballentine's Law Dictionary

James A. Ballentine · 1916

The register of original writs.

Black's Law Dictionary

Henry Campbell Black, M.A. · 1910

An abbreviation of "Reg-istrum Originale," the register of original writs.