'Passover sacrifice' in the Bible

And Moses calleth for all the elders of Israel, and saith unto them, 'Draw out and take for yourselves from the flock, for your families, and slaughter the passover-sacrifice;

Then shall ye say - A passover sacrifice, it is to Yahweh, who passed-over the houses of the sons of Israel, in Egypt, when he plagued the Egyptians but our houses, he delivered. Then did the people bend their heads and bow themselves down.