backwash

mastery
UK /ˈbæk.wɒʃ/ US /ˈbæk.wɑʃ/nounverb

card 1 of 8 · context meaning

Which meaning of 'backwash' best matches the usage in the sentence?

They pitched the dragon over the cliff-top, let tide's flow and backwash take the treasure-minder.