It merged with Kmart in 2005 (5)
I believe the answer is:
sears
'it merged with kmart in 2005' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sears that I've seen before include "Scorches or burns the surface of" , "Superficially burns" , "Makes very hot and dry" .)