jicama /hēˈkə-mə/

1. The fleshy tuber of a plant of the pea family (Pachyrhizus erosus), used in Mexican cookery
2. The plant producing this

• radius of curvature
• radius vector
• radius vectors
• radix
• radome
• radomes
• radon
• radons
• rads
• radula
• radulae
• radular
• radulate
• raduliform
• radwaste
• radwastes
• RAEC
• RAeS
• Raetia
• Raetian
• RAF
• rafale
• rafales
• raff
• Rafferty's rules