rigol or rigoll /rigˈəl/

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

• frontals
• front bench
• front-bench
• front-bencher
• front-benchers
• front crawl
• front crawls
• front door
• front doors
• fronted
• front-end
• front-end computer
• front-end computers
• front-end load
• front-end loaded
• front-end loading
• front-end processor
• front-ends
• front-end system
• front-end systems
• frontier
• frontiered
• frontiering
• frontiers
• frontiersman