rill /ril/

1. A very small brook
2. A runnel
3. A small trench
4. A narrow furrow on the moon or Mars (also rille from Ger Rille)
5. A fricative produced by forcing air out of a small gap formed between the tongue and the roof of the mouth (phonetics)

To flow in a rill or rills

rilled adjective

rillˈet noun

A little rill

rillˈmark noun (geology)

A marking produced by water trickling down a beach or bank

• cavern
• caverned
• caverning
• cavernous
• cavernously
• caverns
• cavernulous
• cavers
• caves
• cavesson
• cavessons
• cavetti
• cavetto
• caviar
• caviare
• caviares
• caviarie
• caviars
• cavicorn
• Cavicornia
• cavicorns
• cavie
• cavier
• cavies
• cavil