Answer:
There's a few different meanings but,
a place on the coast where vessels may find shelter, especially one protected from rough water by piers, jetties, and other artificial structures.
keep (a thought or feeling, typically a negative one) in one's mind, especially secretly.
shelter or hide (a criminal or wanted person).
Explanation:
Hope this helps!!!
Is this a book because if it is what book or poem etc.
The Germans would then find a different way of transmitting their messages.
