blotter

noun5

1. •
   A piece of blotting paper in a pad as a piece of desk furniture.
2. •
   A strip of such paper saturated with perfume.
3. •
   A daily register of arrests and other events in a police station.
4. •
   A register of the related events made in the form of the list of times and brief descriptions.

   • All transactions were entered in the cash blotter and agent's subsidiary ledger.
   • He maintains the political blotter blog.
5. •
   (slang) A portion of blotter acid.