Moses had this awful battle (6)
I believe the answer is:
tablet
'moses' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.
'this awful battle' is the wordplay.
'this awful' is an anagram indicator.
'battle' is an anagram of 'TABLET'.
'had' acts as a link.
Can you help me to learn more?
(Other definitions for tablet that I've seen before include "Pill; computer" , "A small pill or an inscribed panel on wall" , "Battle (anag) - pill" , "Small slab or flat pill" , "Small bar of soap" .)