plastron

名词 plastron:

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

plas.tron

n.（名词）
A metal breastplate worn under a coat of mail.
胸铠：穿在锁子甲下面的金属胸甲
A quilted pad worn by fencers to protect the torso and side.
护胸甲：击剑者为保护躯干和侧部所穿的缝在两层布中的护垫
A trimming on the front of a bodice.
胸饰：女连衣裙上身胸围的一种装饰
The front of a man`s dress shirt.
硬衬胸：男子服装衬衫的硬衬胸
Zoology The ventral part of the shell of a turtle or tortoise.
【动物学】 腹甲：海龟或陆龟的龟甲的腹部部分

来源：
French
法语
from Old French
源自 古法语
from Old Italian piastrone [augmentative of] piastra [thin metal plate] * see piaster
源自 古意大利语 piastrone [] piastra的增义成分 [薄的金属片] *参见 piaster

【引伸】
plas.tral