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

• forced feeding
• forced landing
• forced sale
• forceful
• forcefully
• forcefulness
• forceless
• forcemeat
• forceps
• Visayan
• Visayan Islands
• Viscaceae
• viscacha
• viscera
• visceral
• visceral brain
• visceral leishmaniasis
• visceral pericardium
• visceral pleura
• viscerally
• viscerate
• viscid
• viscid mushroom
• viscidity
• viscidly