Related Clues:

• Kind of curve, in math
• Chip in, in a way
• Amount to be raised, maybe
• Penny, perhaps
• Pot grower?
• Trig function
• Trig ratio
• Kind of curve
• Penny, sometimes
• Pitch in
• Blue chip, maybe
• Kind of wave
• Cough up
• Chip for a pot
• Yours and mine