Sentence:  The water in Thor 's big swimming pool had been covered with a blanket of thick , foamy <WSD>soapsuds</WSD> - fashioned , of course , from ZING - Joyce had dived from the board into the pool , then swirled and cavorted in her luxurious `` bath '' while cameras rolled . 
Meaning of the word marked with <WSD> tags:  the froth produced by soaps or detergents