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1. A metal breastplate worn under a coat of mail.
2. A quilted pad worn by fencers to protect the torso and side.
3. A trimming on the front of a bodice.
4. The front of a man's dress shirt.
5. The front panel of the tunic of a uniform, usually of a different color than the rest.
6. Zoology The ventral part of the shell of a turtle or tortoise.

[French, from Old French, from Old Italian piastrone, augmentative of piastra, thin metal plate; see piaster.]

plas′tral (-trəl) adj.


(Zoology) the bony plate forming the ventral part of the shell of a tortoise or turtle
[C16: via French from Italian piastrone, from piastra breastplate, from Latin emplastrum plaster]
ˈplastral adj


(ˈplæs trən)

1. plate armor for the upper front part of the torso.
2. a quilted pad worn over part of the torso for protection while fencing.
3. an ornamental front piece of a woman's bodice.
4. the starched front of a shirt.
5. the ventral part of the shell of a turtle.
[1500–10; < Middle French < Italian piastrone, augmentative of piastra metal plate, piaster. See plaster]
plas′tral, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plastron - the ornamental front of a woman's bodice or shirt
bodice - part of a dress above the waist
shirtfront - the front of a shirt (usually the part not covered by a jacket); "he had spilled catsup on his shirtfront"
2.plastron - the front of man's dress shirt
dress shirt, evening shirt - a man's white shirt (with a starch front) for evening wear (usually with a tuxedo)
shirtfront - the front of a shirt (usually the part not covered by a jacket); "he had spilled catsup on his shirtfront"
3.plastron - a metal breastplate that was worn under a coat of mail
breastplate, egis, aegis - armor plate that protects the chest; the front part of a cuirass
4.plastron - a large pad worn by a fencer to protect the chest
pad - a flat mass of soft material used for protection, stuffing, or comfort
5.plastron - (zoology) the part of a turtle's shell forming its underside
turtle - any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
exoskeleton - the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
zoological science, zoology - the branch of biology that studies animals
References in classic literature ?
I had myself a great silver bowl, with two goblets, and a plastron of Spanish steel.
For a translation of this entire corpus, see Ken-ichi Takashima (with translations up to plastron #259 by Paul L.
After nesting we measured plastron length, carapace length, and carapace width to the nearest 1.
Plastron size, a square function, and respiratory requirement, a cube function, interact subject to scaling.
When the circle (target) was projected onto the plastron ([S.
ACON - ALLTOP - Aces Electronic - Amphenol - Amphenol EastAsia Electronic - Amphenol Shenzhen - Changzhou Amphenol Fuyang Communication Equipment - Chant Sincere - Cvilux - FCI - Foxlink - Fujikura - HIROSE - Honhai - JAE - JONHON - JST - Ji-Haw Industrial - LOTES - Molex - P-TWO - PROCONN - Plastron Precision - SINBON Electronics - Shenzhen Everwin Precision Technology - Shenzhen Deren Electronic - Shenzhen Luxshare Precision Industry - Singatron - Speedtech - Suyin Corporation - UDE Corp.
These terminals will be equipped with plastron green.
Quantification of tortoise remains is problematic since their bony shell fragments ('scutes') break down after burial, creating numerous carapace and plastron pieces.
That changed in 2008 with the discovery of Chinese Odontochelys semitestacea, a reptile about 220 million years old, which had a fully developed plastron -- the belly side of the shell -- but only a partial carapace on its back.
The plastron was also tom away at the left and right bridge attachments, with most of the internal organs consumed and presumably picked away by the cranes.
It had a fully developed plastron (the belly portion of a turtle's shell), but only a partial carapace made up of distinctively broadened ribs and vertebrae on its back.