The term 'MEN of La Mancha' refers to the characters in the novel Don Quixote by Miguel de Cervantes. The crossword solutions for this term are SENORS (6 letters), SENORES (7 letters), HOMBRES (7 letters), and CABALLEROS (10 letters). SENORS and SENORES both mean 'sirs' or 'GENTLEMEN' in Spanish, while HOMBRES means 'MEN' and CABALLEROS means 'KNIGHTS'. Therefore, the four words together refer to the MEN of La Mancha, the characters in the novel Don Quixote.