1. Formed between the upper and lower teeth
   "interdental consonants" 
2. Situated between teeth
   "an interdental space"

Encyclopedia: Interdental

• blurb
• blurred
• blurrily
• blurriness
• blurry
• blurt
• blurt out
• blush
• blush wine
• blusher
• blushful
• blushing
• blushing mushroom
• blushingly
• bluster
• blusterer
• blustering
• blusterous
• blustery
• Blériot
• bm
• BMDO
• BMI
• BMR
• BMus