Pacific island country (7)
(Other definitions for vanuatu that I've seen before include "South Pacific Ocean nation of 80 islands" , "Archipelago, formerly known as New Hebrides" , "Southwest Pacific island hit by Cyclone Pam in March" , "Pacific island country, formerly New Hebrides" , "Country of the south-west Pacific" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pacific island country</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tuvalu that I've seen before include "Pacific island country" , "Pacific island state" , "SW Pacific country" , "[PACIFIC ISLAND]s" , "Polynesian country, independent from the UK since 1978, formerly the Ellice Islands" .)