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

• halfe-horsy
• halfen
• halfendeale
• half-evergreen
• half-face
• half-faced
• half-faces
• half-frame
• half-hardy
• half-hearted
• half-heartedly
• half-heartedness
• half hitch
• half hitches
• half-holiday
• half-holidays
• half-hose
• half-hour
• half-hourly
• half-hours
• half-hunter
• half-inch
• half-inched
• half-inches
• half-inching