Scorch, singe (4)
(Other definitions for sear that I've seen before include "Cook (quickly at great heat)" , "Withered" , "Make very hot and dry" , "Burn, scorch intensely" , "Burn briefly" .)
I believe this is a double definition.
'scorch' is the first definition.
(synonyms)
'singe' is the second definition.
(I've seen this in another clue)
(Other definitions for char that I've seen before include "Noiseless" , "House cleaner" , "Singe, scorch" , "Sear - fish" , "Kind of small trout - burn it black" .)