day book n 1: the daily written record of events (as arrests) in a police station [syn: {blotter}, {day book}, {police blotter}, {rap sheet}, {charge sheet}]
DAY BOOK, mer. 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.