Oddball touching a double-edged sword (5)
I believe the answer is:
blade
'sword' is the definition.
(I know that sword can be written as blade)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for blade that I've seen before include "Flat part of an oar" , "Sword" , "See 24 Across" , "A knife, or a dashing fellow" , "Leaf, of grass, say" .)