Uncle CRIER is a term used to describe an uncle who is known for being a storyteller and sharing news with his family. The term is derived from the word 'CRIER, ' which is someone who announces news or makes public announcements. In the crossword, the solution for the term 'Uncle CRIER' is 'Niece, ' which refers to the niece of the Uncle CRIER. The niece is typically the recipient of the stories and news shared by the Uncle CRIER.