A register of the related events made in the form of the list of times and brief descriptions.
A piece of blotting paper in a pad as a piece of desk furniture.
A daily register of arrests and other events in a police station.
A portion of blotter acid.
A record book in which all transactions (or all of a certain class) of a business are recorded and from entries are made in accounting records such as the general ledger or subsidiary ledgers.