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Webster 1913 Edition


Abracadabra

Abˊra-ca-dab′ra

,
Noun.
[L. Of unknown origin.]
A mystical word or collocation of letters written as in the figure. Worn on an amulet it was supposed to ward off fever. At present the word is used chiefly in jest to denote something without meaning; jargon.

Webster 1828 Edition


Abracadabra

ABRACADAB'RA

, The name of a deity worshipped by the Syrians: a cabalistic word. The letters of his name, written on paper, in the form of an inverted cone, were recommended by Samonicus as an antidote against certain diseases.