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plastron

[ plas-truhn ]
/ ˈplæs trən /
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noun

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.

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Origin of plastron

1500–10; <Middle French <Italian piastrone, augmentative of piastra metal plate, piaster. See plaster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for plastron

plastron
/ (ˈplæstrən) /

noun

the bony plate forming the ventral part of the shell of a tortoise or turtle
plastral, adjective
C16: via French from Italian piastrone, from piastra breastplate, from Latin emplastrum plaster
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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