The crossword solutions for the term Queen or Knight are 'RULER' and 'CHESS'. The TITLE of Queen or Knight refers to two distinct roles in society. A RULER is a person who holds a position of power, such as a monarch or other leader. A knight is a member of the nobility in medieval Europe who was typically a mounted warrior. In the game of chess, the queen is the most powerful piece and the knight is the only piece that can jump over other pieces.