Hi Egen,Hello, Heinrich!
it's really hard to do to say what it's called correctly. To do this, you need not only to know English well, but also to be an English sailor.
Google translator cannot do this. And I don't know how to call it in Russian. Just a "thing". ( брештук in Rus)
But you pointed out correctly in your photos. My friends think the shape should be different because it looks more like a boat than a big ship like leudo.