Related Clues:

• Receptor
• It may be sympathetic
• Listening device?
• Word with drops or canal
• Spike in a field
• One in a six-pack
• Optimist's word
• Pub vessel
• Corn unit, perhaps
• Middle __
• Musical appreciation
• Distinctive Vulcan feature
• Stirrup setting
• Part 3 of quote
• Hoop holder