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)

plasˈtral adjective

• Newtonian
• Newtonian mechanics
• Newtonian telescope
• Newtonian telescopes
• Newtonic
• newtons
• Newton's cradle
• Newton's gravitational constant
• Newton's laws of motion
• Newton's rings
• new town
• new towns
• newts
• new variant Creutzfeldt-Jakob disease
• New Wave
• New-Wave
• new woman
• new women
• New World
• new world order
• New Year
• New Year's Day
• New Year's Eve
• New Zealand daisy bush
• New Zealander