| 1. | any of various insectivorous New World bog plants of the genera Sarracenia, Darlingtonia, and Heliamphora, having tubular or trumpet-shaped leaves containing a liquid in which insects are trapped. |
| 2. | the common pitcher plant, S. purpurea, having red or green leaves and a large, nodding, globular dull-red flower. |
| 3. | any of various insectivorous Old World plants of the genus Nepenthes, having leathery leaves each ending in a tendril that bears a lidded, pitcherlike receptacle. |
| pitcher plant n. Any of various insectivorous plants of the genera Sarracenia, Nepenthes, or Darlingtonia, having pitcherlike leaves that attract and trap insects. |