Related Clues:

• Prescription figures
• Wee bit o' Scotch, say
• Drop a small weight
• Drops off sound draughts
• Tuesday in Paris mostly given over to a drop of Scotch
• Part of Shrove Tuesday taken up with a tot
• Treatment prescribed for case of infection
• Carry out directions for measured amount
• Tot's taking mother across river
• Small drink of whisky
• Short measure
• Tot (of whisky)
• Small Scotch
• Tot of whisky
• Unit of reality?