Sentence:  It looks like Jim and Rene are going ahead of us to chase away any big <WSD>Noahs</WSD> that might be lurking around.” Scott grinned to show that it was a joke and Jim waved to the group in acknowledgement. / “What do you mean ‘<WSD>Noahs</WSD>'?” asked a hefty millionaire from Minneapolis. / “Noah′s Arks,” one of the Australians answered for Scott. “Sharks.” 
Meaning of the word marked with <WSD> tags:  (nodot=yes); shark.