The track or scent of a hunted animal. A setback in an enterprise; a defeat. Metal hammered or rolled into a thin flexible sheet, used chiefly for covering or wrapping food. A person or thing that contrasts with and so emphasizes and enhances the qualities of another. A leaf-shaped curve formed by the cusping of an arch or circle, typically occurring in groups of three or more in Gothic tracery. A light fencing sword without cutting edges but with a button on its point. Each of the winglike structures fitted to a hydrofoil's hull to lift it clear of the water at speed. Prevent (something considered wrong or undesirable) from succeeding.