A bench across a boat is called a plank.
The word "plank" means:
A long, thin, flat piece of timber, used esp. in building and flooring.
There are many other names for a bench across a boat including board. But the main one I have found is the word "plank".
Portage.
A cross bench on a boat is a type of seating that runs transversely across the vessel, providing a place for passengers to sit. It is typically positioned against the sides of the boat and can be used for stability and additional seating capacity. Cross benches are commonly found in small boats, such as fishing boats or recreational vessels, and enhance comfort and accessibility.
A rower's bench is commonly referred to as a "rowing shell" or "boat." In the context of indoor rowing, it may also be called a "rowing machine" or "ergometer." These benches are designed to provide stability and support for rowers while they practice their technique or engage in workout routines.
In Egyptian mythology, Ra is carried across the sky in a boat called the "Barque of Ra" or "Solar barge." It is believed that the boat carries Ra during the day and through the underworld during the night.
It's usually called the Mainsail, or as sailors pronounce it, the "mains'l". It is sometimes called the "sheet" too, though that is more generic. +++ The "sheet" is the line that controls the sail's angle across the boat.
a boat, it is obvious
The boat was called Fram and he lead two main expeditions, one across dreenland and one to the north pole.
A trial to a judge sitting without a jury is called a "bench trial."
a boat
a ferry is a boat that transports people and there cars across a large area of water
a bench is called 'un banc' (masc.) in French
it is called a bench trial