Webster’s Revised Unabridged Dictionary · 1913 Peytrel Pey′trel (pā′trĕl), n. [OF. peitral. See Poitrel.] (Anc. Armor) The breastplate of a horse's armor or harness. [Spelt also peitrel.] See Poitrel. [Obs.] Chaucer. ‹ Peyer's glands Peziza ›