S: (n) nipple shield (a rubber or plastic shield to protect the nipples of nursing women)
S: (n) plate, scale, shell (a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners))
S: (n) shielding (a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay)
S: (n) shielding (shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference)