胸 - bosom, breast, chest

chest; breast

chest; breast

bust (sculpture); half-length portrait

one's heart

one's heart; one's mind; one's intentions

courage; bravery; pluck; nerve; grit; guts

full breasts; ample breasts

making a rough estimate in one's head

pleural fluid

collar; lapels

pleurisy

thoracic vertebra; thoracic vertebrae