Related Clues:

• Christmas-lights site
• Icicle's spot
• Something a dome lacks
• Icicle site, perhaps
• Overhead projector?
• Nesting site
• Rainwater diverter
• Gutter
• Roof extension
• Gable part
• Nesting place for a bird
• Where an icicle may hang
• Part of a roof's border
• Water-draining aid
• Element of passive solar building design