Related Clues:

• Reason to cram
• Check some stock?
• Modicum
• Stab
• Lab work
• Very small serving
• Audition, with 'out'
• Buds' function
• Rugby score
• See 19-Down
• Take a chance
• See 56-Across
• Midterm, for one
• Use a cupel
• Dreaded class word