### Clue: Ocean feature getting cut, cut, cut? That's to have added resonance (2-4)
### Answer: RE-ECHO 
 ### Explanation: Definition: That's to have added resonance
 "reef"(a ridge of coral, rock or sand just above or below the surface/a feature of the ocean) **minus ****its last letter**(getting cut) + "chop"(to cut, with an axe or a chopper, say) **minus ****its last letter**(cut).