Bursa - bursa, purse.⏎
Brachiocephalic - brachion, arm; kephale, head.⏎
Acetabulum - acteum, vinegar + abrum, holder. Small cup for vinegar, hence any small cup.⏎
Atlas - Atlas, mythical figure; Atlas supports the world on his shoulders.⏎
Ampulla - ampulla, flask.⏎