The Collaborative International Dictionary
peitrel
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
peitrel
n. (alternative form of peytrel English)