Town on Scotland’s southwest coast (3)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
ayr
(Other definitions for ayr that I've seen before include "Scottish town, port and racecourse" , "Scots port on Firth of Clyde" , "Scottish salmon river" , "Scottish city" , "Town on Firth of Clyde" .)