rigol or rigoll /rigˈəl/

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

• leucocytopenic
• leucocytosis
• leucocytotic
• leucoderma
• leucodermal
• leucodermas
• leucodermia
• leucodermias
• leucodermic
• Leucojum
• leucoma
• leucomas
• leucopenia
• leucopenias
• leucopenic
• leucoplakia
• leucoplakias
• leucoplast
• leucoplastid
• leucoplasts
• leucopoieses
• leucopoiesis
• leucorrhoea
• leucorrhoeas
• leucosin