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)

• fissiparously
• fissiparousness
• fissiparousnesses
• fissiped
• fissipede
• fissipedes
• fissipeds
• fissirostral
• fissive
• fissle
• fissled
• fissles
• fissling
• fissure
• fissured
• fissures
• fissuring
• fist
• fist bump
• fist bumps
• fisted
• fistfight
• fistfights
• fistful
• fistfuls