A noust is a boat-shaped hollow. It’s an ancient word from Scandinavia. There are nousts made from stone laid by Vikings on the shores of Orkney. Here’s a more recent one.
In Orkney even picnic tables need boat sheds to protect them. Orcadians: they are a hardy people.
Here’s one which may well be Viking:
Orkney is a place where the barrier between the past and the present is very thin.