Related Clues:

• Ozone ___
• Hen, vis-Г -vis eggs
• See 22
• Hen party finally inhibited by genuine cock-up
• Coat for a bird (naturally, a female)
• A hen, of course
• Film sees murderer guillotined
• Crossword setter's hen party ending in physical upheaval
• Pass on - race
• Single thickness
• Receive and pass on - race
• Blanket - single thickness
• Receive and pass on
• Pass on - put down again
• (Separate) level