Age of Majority
The Age of Majority was a legal term that defined the moment when a child became an adult by attaining a set number of years. 

The Age of Majority was recognized on the planet Acamar III. When Volnoth, the child of Gatherers, reached this age, he fled his homeworld for the Gatherer outposts.

In 2366, this legal term was mentioned in the birth record of Volnoth, which was accessible to the crew of the  via the Acamarian planetary database (, okudagram)

External link 
 
Legal procedures