What is the name of the ship's steering wheel ?
The name is the Helm. This refers to any of them that steer the ship. Many today are small not like the old wooden ones you have seen. They can be as smaller them a dinner plate and are plastic or metal. A ship's wheel is usually referred to the older wood ones that are about 3 foot across and usually are now hanging up on peoples walls.
What do you call the steering wheel on a boat?
The "tiller"
What do the things behind the steering wheel of a car mean?
I can't find anything on the Internet. I mean the things beside the thing that shows how many mph you're traveling and the gas level. What does it mean?