Answer: labrum

AnswerCrossword Clue
LABRUMLip
labruma liplike structure
labrumornamented bathtub of ancient Rome
labrumlip or liplike part
labrumring of cartilage about the edge of a joint surface of a bone
labruma. the anterior, unpaired member of the mouthparts of an arthropod, projecting in front of the mouth b. the outer margin of the aperture of a shell of a gastropod