Announce deliveries at docking sites (6)

I believe the answer is:

berths

I'm a little stuck... Click here to teach me more about this clue!

'docking sites' is the definition.
(I've seen this in another clue)

I don't understand the remainder of the clue.

(Other definitions for berths that I've seen before include "Docks" , "Beds on ships or trains" , "Beds in cabins" , "where sailors sleep" , "Beds on board" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.