1. Tropical American prostrate or climbing herbaceous perennial having an enormous starchy root; sometimes held to be source of the sweet potato
   - wild potato vine, wild sweet potato vine, man-of-the-earth, manroot, scammonyroot, Ipomoea panurata

Type of: morning glory

• ground pink
• ground plan
• ground rattler
• ground rent
• ground roller
• ground rose
• ground rule
• ground sloth
• ground snake
• ground squirrel
• ground state
• ground stroke
• ground substance
• ground swell
• ground tackle
• ground water
• ground wave
• ground zero
• ground-controlled approach
• ground-effect machine
• ground-emplaced mine
• ground-floor
• ground-hugging
• ground-service crew
• ground-shaker