Definitions for "Shema Yisrael"
(Hebrew, "Hear, O Israel!") — First words of the prayer proclaiming the oneness of God, the central creed of Judaism.
A Hebrew prayer recited three or four times daily by Orthodox Jews, and the last prayer she/he utters on her/his deathbed.
The first passage in the Mezuzah taken from Torah, the basic belief of all Jews in the unity of the One G-d: "Hear, 0 Israel, the L-rd is our G-d, the L-rd is one."