Day Book
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In mercantile law. An account book in which merchants and others make entries of their daily transactions. This is generally a book of original entries, and, as such, may.be given in evidence to prove the sale and delivery of merchandise, or of work done.