from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Judaism A prayer recited in the daily synagogue services and by mourners after the death of a close relative.
from The Century Dictionary and Cyclopedia
- n. In Jewish ritual, a form of thanksgiving and prayer, containing special reference to the approach of the kingdom of God, used at funerals, annual commemorations, etc.
From Aramaic qaddiš, holy, sacred, from qədaš, to become holy, be sacred (so called after the first words of the prayer); see qdš in Semitic roots.(American Heritage® Dictionary of the English Language, Fourth Edition)