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

• curvature
• curve
• uterine contraction
• uterine tube
• uterine vein
• uterus
• Utica
• utile
• utilisable
• utilisation
• utilise
• utilised
• utiliser
• utilitarian
• utilitarianism
• utility
• utility bond
• utility man
• utility program
• utility revenue bond
• utility room
• utility routine
• utility-grade
• utilizable
• utilization