brier² or briar /brīˈər/

1. The white heath (Erica arborea), a S European shrub
2. A tobacco pipe made out of its root (also briˈer-root or briˈer-wood)

• dioptric
• dioptrical
• dioptrics
• diorama
• dioramas
• dioramic
• diorism
• diorisms
• dioristic
• dioristical
• dioristically
• diorite
• diorites
• dioritic
• diorthoses
• diorthosis
• diorthotic
• Dioscorea
• Dioscoreaceae
• dioscoreaceous
• Dioscuri
• diosgenin
• diosgenins
• diota
• diotas