pasch /ˈpæsk/ noun2 •(no longer used) The feast of Passover or (specifically) the Paschal Lamb, or (for Christians), Easter, seen as the fulfillment of Passover.NOW the feast of unleavened bread, which is called the pasch, was at hand. — 1749 •(no longer used) The Paschal Mystery; the death and resurrection of Jesus.The Man-God had scarcely returned to His Father when the Apostles hastened to establish a solemn festival to commemorate His pasch, that is to say, His glorious passage from death to life. — 1884