| dutchman's-pipe | (n) hardy deciduous vine having large leaves and flowers with the calyx tube curved like the bowl of a pipe, Syn. pipe vine, Aristolochia durior, Aristolochia macrophylla |
| Dutchman's-pipe | n. a hardy deciduous American vine (Aristolochia durior) having large, heart-shaped leaves and bearing brownish-purple flowers which have their calyx tubes curved like the bowl of a tobacco pipe. Formerly classified as Aristolochia Sipho. |