I. Big ‧ foot /ˈbɪɡfʊt/ BrE AmE ( also Sasquatch )
an animal like a large hairy human, which some people claim to have seen in the northwest US, but which has never been proved to exist. Stories about Bigfoot are very popular in US newspapers.
II. Sas ‧ quatch /ˈsæskwætʃ, -wɒtʃ $ -wɑːtʃ, -wætʃ/ BrE AmE noun
another name for ↑ Bigfoot , an animal like a human which some people claim to have seen in the northwestern US