The term 'GET READY TO SAIL AGAIN' can be summarized by the crossword solution 'RERIG, ' which is an acronym for 'reefing, replacing, and inspecting gear.' This term refers to the process of preparing a sailboat for sailing again, which involves checking and replacing any damaged or worn-out equipment, such as sails, rigging, and other parts. Additionally, it may involve tightening and adjusting the rigging to ensure that the boat is ready to sail safely.