plastron

(noun)

noun

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

Definition categories: man–made, shirtfront

2. the front of man's dress shirt

Definition categories: man–made, shirtfront

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

Definition categories: man–made, aegis, breastplate, egis

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

Definition categories: man–made, pad

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

Definition categories: animal, exoskeleton

Sentences with plastron as a noun:

- The plastron of a diving beetle is not directly a source of oxygen, but acts as a gill, acquiring oxygen from the surrounding water.