plastron

/ˈplæstrən/

Other forms: plastrons

Definitions of plastron

1. noun

   a metal breastplate that was worn under a coat of mail
   type of:

   aegis, breastplate, egis

   armor plate that protects the chest; the front part of a cuirass
2. noun

   a large pad worn by a fencer to protect the chest
   type of:

   pad

   a flat mass of soft material used for protection, stuffing, or comfort
3. noun

   the ornamental front of a woman's bodice or shirt
   type of:

   shirtfront

   the front of a shirt (usually the part not covered by a jacket)
4. noun

   the front of man's dress shirt
   type of:

   shirtfront

   the front of a shirt (usually the part not covered by a jacket)
5. noun

   (zoology) the part of a turtle's shell forming its underside
   type of:

   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