The term 'all hands' is a nautical phrase that refers to the entire CREW of a ship or vessel. The crossword solutions for this term are CREW (4 letters), NOON (4 letters), and ZHXV (4 letters). CREW is an obvious solution, as it refers to the people who make up the CREW of a ship. NOON is also a fitting solution, as it is the time of day when the CREW of a ship would traditionally gather together for a meeting. Finally, ZHXV is an acronym for the phrase 'all hands on deck, ' which is another way of saying that the entire CREW is needed to complete a task.