plastron /plasˈtron/

1. A fencer's wadded breast-shield
2. The ventral section of the shell of a tortoise or turtle, or other animal
3. The front of a dress shirt
4. A separate ornamental front part of a woman's bodice
5. A steel breastplate worn under the hauberk (historical)

• Thebaid
• thebaine
• thebaines
• the balks
• the ball at one's feet
• the ball's in your court
• Theban
• the bane of one's life
• Theban year
• the Bard
• the Bay State
• thebe
• the Beast
• the beast with two backs
• the beautiful people
• the bee's knees
• the belief
• the bends
• Thebes
• the better part of
• the Beyond
• the Big Apple
• the Big C
• the big cats
• the big enchilada