The Collaborative International Dictionary
Peytrel
Peytrel \Pey"trel\, n. [OF. peitral. See Poitrel.] (Anc.
Armor)
The breastplate of a horse's armor or harness. [Spelt also
peitrel.] See Poitrel. [Obs.]
--Chaucer.
Wiktionary
peytrel
alt. (context obsolete English) The breastplate of a horse's armour or harness. n. (context obsolete English) The breastplate of a horse's armour or harness.