Deep resonant sound (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">deep resonant sound</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rumble that I've seen before include "Carriage seat gives the sound of heavy wheels" , "Low, vibrating (traffic) noise" , "Sound of distant thunder" , "gang fight in New York City?" , "Make a continuous resonant sound" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">deep resonant sound</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for boom that I've seen before include "Resonant sound < of TV equipment" , "Prosperous time - sound of explosion - yachting spar" , "Loud noise - business increase" , "Crash" , "Report" .)