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

• acantha
• Acanthaceae
• acanthaceous
• Acanthamoeba
• acanthas
• acanthi
• acanthin
• acanthine
• acanthins
• Acanthocephala
• acanthocephalan
• acanthoid
• acanthopterygian
• acanthous
• acanths
• acanthus
• acanthuses
• a capful of wind
• acapnia
• acapnias
• a cappella
• a card up one's sleeve
• acari
• acarian
• acariases