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1. The ornamental front of a woman's bodice or shirt
    
2. The front of man's dress shirt
    
3. A metal breastplate that was worn under a coat of mail
    
4. A large pad worn by a fencer to protect the chest
    
5. (zoology) the part of a turtle's shell forming its underside

Derived forms: plastrons

Type of: aegis, breastplate, egis [N. Amer], exoskeleton, pad, shirtfront

Part of: bodice, dress shirt, evening shirt, turtle

Encyclopedia: Plastron