Definitions

1. noun

A public notice or announcement, especially one made by a government or authority.

“The official notum was posted on the city hall’s notice board.”

2. noun

In biology, a notum is the dorsal (upper) surface of an arthropod’s exoskeleton.

“The notum of the beetle’s exoskeleton is covered with tiny scales.”

3. noun

In law, a notum is an official public notice, such as a proclamation or edict.

“The king issued a royal notum declaring the new laws effective immediately.”