rigol or rigoll /rigˈəl/

1. A gutter or water channel
2. A groove, esp an encircling groove
3. A circlet (Shakespeare)

• sericon
• sericons
• sericteria
• sericterium
• sericultural
• sericulture
• sericultures
• sericulturist
• sericulturists
• seriema
• seriemas
• series
• series winding
• series windings
• ruggeder
• ruggedest
• ruggedisation
• ruggedise
• ruggedised
• ruggedises
• ruggedising
• ruggedization
• ruggedize
• ruggedized
• ruggedizes