There are 2 results of your search for cray1.
cray1
noun a type of marine crustacean; crayfish.
Contributor's comments: Also means a twenty dollar bill.
Contributor's comments: The cray (pl. crays) have been caught by Tasmania's coastal fishermen for many years. They are actually a lobster. Tasmania also has a freshwater crayfish (rare).
cray2
a twenty dollar note.