1.NounA use of the mystical term ‘abracadabra’, supposed to work as part of a healing charm or a magical spell; any spell or incantation making use of the word. .mw-parser-output .defdate{font-size:smaller}
2.NounArcane and obscure language of occult rituals or mystical practices.
3.NounMumbo jumbo; obscure language or technicalities; jargon.
"I don’t know all the theoretical abracadabra about how it works, I’m only its pilot."
4.InterjectionUsed to indicate that a magic trick or other illusion has been performed.