1. Any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petalled flower
   "wake-robins bloomed in the shady forest understory";
   - trillium, wood lily
    
2. Common American spring-flowering woodland herb having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries
   "Children were fascinated by the wake-robin's unusual flower structure";
   - jack-in-the-pulpit, Indian turnip, Arisaema triphyllum, Arisaema atrorubens

Derived forms: wake-robins

Type of: aroid, arum, liliaceous plant

Part of: Arisaema, genus Arisaema, genus Trillium

Encyclopedia: Wake-robin