- a piece of plate armor for the upper part of the torso in front.
- Fencing. a quilted pad worn over part of the torso, for protection.
- an ornamental front piece of a woman's bodice.
- the starched front of a shirt.
- Zoology. the ventral part of the shell of a turtle.
Origin of plastron
Examples from the Web for plastron
The carapace and plastron are usually connected by a "bridge" of bone.Zoology: The Science of Animal Life
The plastron is joined to the carapace by the sutures of the bridge.
The reptile, aware of danger, had retired between its carapace and plastron.Abandoned
The use of a species of corslet, (plastron,) to prevent future pressure on the abdomen.
I had myself a great silver bowl, with two goblets, and a plastron of Spanish steel.The White Company
Arthur Conan Doyle
- the bony plate forming the ventral part of the shell of a tortoise or turtle
Word Origin and History for plastron
c.1500, from Middle French plastron "breastplate," from Italian piastrone, augmentative of piastra "breastplate, thin metal plate" (see piaster). As an animal part, from 1813; as an article of dress, 1876.