Port Siege
This page is the CodyCross answer for the clue below from Small World, Group 697, Puzzle 4 (Poison Dart Frog).
Question is: Port Siege
and the answer is: BLOCKADE
Word Meaning:
BLOCKADE — The physical blocking or surrounding of a place, especially a port, in order to prevent commerce and traffic in or out.
Definitions from Wiktionary.