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plastron |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Plastron \Plas"tron\, n. [F. plastron breastplate, plastron, LL plastra a thin plate of metal. See {Plaster}.] 1. A piece of leather stuffed or padded, worn by fencers to protect the breast. --Dryden. 3. (Anc. Armor) An iron breastplate, worn under the hauberk. 3. (Anat.) The ventral shield or shell of tortoises and turtles. See {Testudinata}. 4. A trimming for the front of a woman's dress, made of a different material, and narrowing from the shoulders to the waist.