Seph. Heb. /dee boohk"/ ; Ashk. Heb., Eng. /dib"euhk/ , n. , pl. dybbuks, dybbukim Seph. Heb. /dee'booh keem"/ ; Ashk. Heb. /di book"im/ . Jewish Folklore.
a demon, or the soul of a dead person, that enters the body of a living person and directs the person's conduct, exorcism being possible only by a religious ceremony.
Also, dibbuk .
[ 1900-05; dibek dibbuq, deriv. of dabhaq cleave (to); sp. dybbuk is a Pol transliteration of the Heb word ]