Lancashire seaside resort (9)
'lancashire seaside resort' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for morecambe that I've seen before include "English resort" , "northern location" , "resort town" , "Comic" , "seaside town" .)
(Other definitions for blackpool that I've seen before include "Lancashire resort" , "Northern football team" .)