Silly Hector beginning to see lights (7)
I believe the answer is:
torches
'lights' is the definition.
(torch is a kind of light)
'silly hector beginning to see' is the wordplay.
'silly' indicates anagramming the letters.
'beginning to' indicates taking the first letters.
The first letter of 'see' is 's'.
'hector' anagrammed gives 'torche'.
'torche'+'s'='TORCHES'
(Other definitions for torches that I've seen before include "Hand-held lights" , "Sets alight" , "Flashlights" , "Fires" , "Portable lights or lamps" .)