1.  juju(n = noun.cognition) - the power associated with a juju;
is a kind of magic, thaumaturgy

2.  juju(n = noun.artifact) fetich, fetish, hoodoo, voodoo - a charm superstitiously believed to embody magical powers;
is a kind of charm, good luck charm

1.  the magical power associated with a juju{2}. [WordNet 1.5]

2.  An object superstitiously believed to embody magical powers; a fetish. [WordNet 1.5]