Definition of sos:
		
            
            
              
                "The keel has been scuppered — send out an SOS."
              
            
          
            
              °a children's 
game involving placing S's and O's on a 
grid, and collecting 
points by creating an "SOS" 
sequence, played with alternating turns by opponents.
            
 
            
            
          
            
	 
 
		
		
		Definition of sos:
		
            
            
              
                "The keel has been scuppered — send out an SOS."
              
            
          
            
              °a children's 
game involving placing S's and O's on a 
grid, and collecting 
points by creating an "SOS" 
sequence, played with alternating turns by opponents.