Light bothered playmates, including female (6,4)
I believe the answer is:
safety lamp
'light' is the definition.
(safety lamp is a kind of light)
'bothered playmates including female' is the wordplay.
'bothered' indicates an anagram.
'including' is an insertion indicator.
'female' becomes 'f' (common abbreviation).
'playmates' anagrammed gives 'saetylamp'.
'saetylamp' going around 'f' is 'SAFETY-LAMP'.
(Other definitions for safety lamp that I've seen before include "Davy's invention" , "lighter of mine?" , "Coal mine advance invented by Sir Humphry Davy in 1815" , "light" .)