Noun
(Judaism) Any of several prayers involving the recitation of the biblical verses Isaiah 6:3 and Ezekiel 3:12.
(Judaism) Holiness, sanctity.
Source: en.wiktionary.orgKedushah, holiness, which is nothing else than the imitation of God, is concerned with daily conduct, with being gracious and merciful, with keeping oneself from defilement by idolatry, adultery, and the shedding of blood. Source: Internet
Kedushah is greatly expanded. Source: Internet