What does the term "cabin" refer to on a ship?

The term "cabin" on a ship refers specifically to a private space used for living or sleeping. It is typically where individuals, such as crew members or officers, have their sleeping quarters. This aligns with the concept of comfort and personal space aboard a vessel, differentiating it from other areas on the ship that serve different functions.

While the commanding officer’s quarters can be termed a "cabin," the broader definition includes any sleeping or living space designated for crew members, making the other answers less accurate in the context of what a cabin refers to on a ship. The storage area for supplies is usually called the "hold," and the main dining area is referred to as the "mess," further distinguishing these specific functions from the concept of a cabin.