Port of call

Hi.

What does 'port of call' mean in:

"After inauguration on May 15 or 16, he has pledged to make Berlin his first foreign port of call."
http://www.telegraph.co.uk/news/worldnews/francois-hollande/9249754/France-election-2012-Francois-Hollande-to-be-greeted-by-market-turmoil.html

And, I found these definitions on the web:

port of call n. pl. ports of call A port where ships dock in the course of voyages to load or unload cargo, obtain supplies, or undergo repairs.

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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port of call

n
1. (Transport / Nautical Terms) any port where a ship stops, excluding its home port

2. any place visited on a traveller's itinerary

© HarperCollins Publishers 1991, 1994, 1998, 2000, 2003

Thanks in advance!