Strathclyde town (3)
I believe the answer is:
ayr
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strathclyde town</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ayr that I've seen before include "Scottish resort" , "Scottish salmon river" , "Town on Firth of Clyde" , "Scottish city" , "Scottish town sounds tuneful" .)