pal·fre·nier \|pȯlfrə̇|ni(ə)r\noun (-s) Etymology: Middle French palefrenier, from Old Provençal palafrenier, from Medieval Latin palafrenarius, alteration (influenced by Latin frenum bridle) of palafridarius, from palafredus + Latin -arius -ary — more at palfrey archaic: groom 2b