A metal breastplate worn under a coat of mail.
A quilted pad worn by fencers to protect the torso and side.
A trimming on the front of a bodice.
The front of a man's dress shirt.
The front panel of the tunic of a uniform, usually of a different color than the rest.
Zoology The ventral part of the shell of a turtle or tortoise.
[plas-truh
l] 
(plās'trən)