Answer:

MASTOID

AnswerCrossword Clue
MASTOIDSkull projection
MASTOIDBone behind your ear
MASTOID... bone (protuberance behind the ear)
MASTOIDBone behind the ear.
MASTOIDBone of the skull.
MASTOIDBone near the ear
MASTOIDBone prominence near the ear
MASTOIDBony projection found just behind the ear