plastron
/ˈplæstrən/noun
1
- a large pad worn by a fencer to protect the chest（击剑运动员穿的）护胸, 护衣。
1.1
- a lancer's breast covering of facings material胸铠, 胸甲。
2
- an ornamental front of a women's bodice or shirt consisting of colourful material with lace or embroidery, fashionable in the late 19th century（女子紧身马甲或衬衫上的）胸饰（19世纪末流行）。
2.1
- a man's starched shirt front without pleats（男子衬衫上的）硬衬胸。
3
- Zoology the part of a tortoise's or turtle's shell forming the underside【动】（龟、鳖的）腹甲。
3.1
- a similar ventral plate in some invertebrate animals（无脊椎动物的）腹板。
3.2
- Entomology (in an aquatic insect) a patch of cuticle covered with hairs which retain a thin layer of air that acts like a gill for breathing under water【昆】（水生昆虫的）气盾。
派生词
plastral
adjective词源
early 16th cent.: from French， from Italian piastrone, augmentative of piastra 'breastplate'， from Latin emplastrum 'a plaster' （see PLASTER）.