Definition of echo sounding:
		
		
		(n) :
		
		the technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water; a particular measurement made using this technique
		
	 
 
 
	
		
		
		Definition of echo sounding:
		
		
		(n) :
		
		the technique of using reflected pulses of sound to determine depth or the location of objects (or fish) under water; a particular measurement made using this technique