Semi-submersible

Look up semi-submersible in Wiktionary, the free dictionary.

Semi-submersible may refer to a self-propelled vessel, such as:

• Heavy-lift ship, which partially submerge to allow their cargo (another ship) to float into place for transport.
• Narco-submarine, some of which remained partially on the surface.
• Semi-submarine, which cannot fully submerge.
• Semi-submersible naval vessel, which partially submerges to minimize being observed.

Or it may refer to a semi-submersible platform, which is typically transported to a location where it is placed in service.