trans·pierce \tranzˈpi(ə)rs, -n(t)ˈsp-\transitive verb Etymology: Middle French transpercer, from Old French, from trans- (from Latin) + percer to pierce — more at pierce 1.: to penetrate sharply or painfully < my spear … transpierced his back, and fixed him to the ground — Alexander Pope > 2.: to pass or extend through < a metal rod … transpierces the box — Athenaeum >