Hulls can refer to different things depending on the context. Here are some possible meanings:

• Outer covering of a fruit or seed: Hull can refer to the outer covering of a fruit or seed, such as the husk, shell, or calyx.
• Body or frame of a ship: Hull can also refer to the body or frame of a ship, which is mostly submerged in water. The hull gives the ship its shape and keeps water out.
• Removing the outer covering of a fruit or seed: Hull can also be used as a verb to mean removing the outer covering of a fruit or seed. For example, hulling strawberries means removing their stems and leaves.
• Boat hull types and designs: Finally, hull can refer to the type and design of a boats hull. Boats can have different types of hulls depending on their purpose, such as displacement hulls or planing hulls.