Related Clues:

• Edible white or yellow root
• White edible root
• Root of pi?
• Might the Swede fasten the cart track upside down?
• The root of pi?
• Get to the root of making this pi, perhaps
• They have a point to knock up to get the root of this
• The root of pi? That may be how you get to it
• The root of pi
• The way to get to the root of pi?
• Knock up the top and cut off the bottom of the veg.
• Sounds as if one might arrive at the root of this
• After a knock-up they have a point up - that's the root of it (7)
• To get to the root of this, pin up the groove
• 3 down