1. Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone

Encyclopedia: Petrosal

• drumfire
• drumfish
• drumhead
• drumhead court-martial
• drumlin
• drummer
• drumming
• drumstick
• drumstick tree
• drunk
• drunk-and-disorderly
• drunkard
• drunken
• drunken reveler
• drunken reveller
• drunken revelry
• drunkenly
• drunkenness
• drupaceous
• drupe
• drupelet
• druse
• drusen
• druthers
• Druze