The edible part of pomegranate is

The edible part of pomegranate is aril.
An aril also called an arillus, is a specialized outgrowth from a seed that partly or completely covers the seed.
The small pink seeds inside a pomegranate, called the arils, are the edible portion of the fruit. The outer hard layer of pomegranate is made up of exocarp and partially mesocarp, which also form septa in the fruit.