1. (noun) the ornamental front of a woman's bodice or shirt

• shirtfront

2. (noun) the front of man's dress shirt

• shirtfront

3. (noun) a metal breastplate that was worn under a coat of mail

• aegis
• breastplate
• egis

4. (noun) a large pad worn by a fencer to protect the chest

• pad

5. (noun) (zoology) the part of a turtle's shell forming its underside

• exoskeleton

1. (noun) (zoology) the part of a turtle's shell forming its underside

• zoological science
• zoology