Yea Canceler is a term used to describe someone who has the power to veto or cancel a decision. It is derived from the phrase 'yea or NAY, ' which is used to indicate whether a decision should be accepted or rejected. The crossword solutions for the term Yea Canceler are NAY, which is a three-letter word meaning 'NO' or 'not in favor of.' This term is often used in politics, where a single person can have the power to override the majority opinion.