Sick Bay is a term used to refer to the medical facility on a ship, aircraft, or other large vessel. The term can also be used to refer to a HOSPITAL ward or clinic. In a crossword puzzle, the solutions for Sick Bay are HOSPITAL (8 letters), NAG (3 letters), and INF (3 letters). HOSPITAL is an institution providing medical and surgical treatment and nursing care for sick or injured people. NAG is to persistently annoy or criticize someone. INF is short for infection, which is the invasion of an organism's body tissues by disease-causing agents.