An allegorical interpretation of Plato is when someone looks at one of Plato's works, like a story or dialogue, and tries to understand its deeper symbolic meaning. It is like trying to find another story underneath the story. It is almost like looking at a picture and finding animals or figures in the shape of the clouds. Plato's stories often have characters and events that have symbolic values or ideas. For example, in one of Plato's stories, a dog might represent loyalty and a cave could represent the world of hidden knowledge. When someone does an allegorical interpretation of Plato's works, they try to pull out deeper meanings in his stories, trying to understand what he was really trying to say.