The term 'Presiding Officer' is a general title used to refer to someone who is in charge of a meeting or event. This person is responsible for keeping order and making sure that the proceedings are conducted in an orderly manner. The four crossword solutions for this term are CHAIRMAN (8 letters), COMMANDER (9 letters), CHAIRPERSON (11 letters), and CHAIR (5 letters). Each of these terms refers to a person who is in charge of a meeting or event, but they differ slightly in their connotations. The term 'CHAIRMAN' is typically used to refer to a male leader, while 'CHAIRPERSON' is used to refer to a female leader. The term 'COMMANDER' is usually used to refer to someone in a military or law enforcement setting, while 'CHAIR' is a more general term that can be used for either gender.