1. The external margin of the aperture of a shell 
2. An organ in insects and crustaceans covering the upper part of the mouth, and serving as an upper lip 
3. A lip or edge, as of a basin

Derived forms: labra

Encyclopedia: Labrum

• disaster area
• disastrous
• disastrously
• disavow
• disavowable
• disavowal
• disband
• disbandment
• disbar
• disbarment
• disbelief
• disbelieve
• disbeliever
• disbelieving
• disbelievingly
• disbud
• disburden
• disbursal
• disburse
• disbursement
• disburser
• disc
• disc brake
• disc drive
• disc harrow