Answer: ANTRA

AnswerCrossword Clue
ANTRASinuses or Roman halls
antraan anatomical cavity within a bone (as the maxilla) or hollow organ (as the stomach)
antracavity in a body organ, esp. a bone
ANTRACavities, of a sort
ANTRABone chambers
ANTRABony cavities, anatomically
ANTRAAnatomical cavities
ANTRAThe sinuses
ANTRACavities in bones
ANTRABone cavities
ANTRASinuses
ANTRASinuses: Anat.
ANTRACavities or sinuses.
ANTRACavities.
ANTRASinuses.
ANTRACavities: Anat.
ANTRASinus cavities