a. Her. [COUNTER- 14.] Passant or walking in opposite directions.
1610. Guillim, Heraldry, III. xv. (1660), 183. He beareth two lioncels counterpassant.
1727. Bradley, Fam. Dict., s.v., When two Lions are born in Coats of Arms, and one appears to be passing or walking quite the contrary Way with the other; the Heralds call it by the Term Counter-passant.
1864. Boutell, Heraldry Hist. & Pop., x. 60.