Crossword Clue:

a bone of the lower jaw

AnswerCrossword Clue
MANDIBLELower-jaw bone
SUBMAXILLARYOf the lower jaw.
FALSERIBBone of the lower chest
TIBIABone of the lower leg
ULNABone in the lower arm
OCCIPITALPertaining to the lower skull bone