Crossword clues for the word: CINCHONA The word CINCHONA has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for CINCHONA Showing 1 to 3 of 3 results Clue(s) Bark yielding quinine Genus of South American trees whose dried bark is a source of quinine Quinine-supplying tree