1. Hardy deciduous vine having large leaves and flowers with the calyx tube curved like the bowl of a pipe
   - Dutchman's-pipe, pipe vine, Aristolochia macrophylla

Type of: Aristolochia clematitis, birthwort

• harlequin-snake
• harlequinade
• Harley
• Harley Granville-Barker
• Harley Street
• harlot
• harlotry
• Harlow
• Harlow Shapley
• harm
• harmattan
• harmful
• harmfully
• harmfulness
• harmless
• harmlessly
• harmlessness
• harmonic
• harmonic analysis
• harmonic law
• harmonic mean
• harmonic motion
• harmonic progression
• harmonica
• harmonical