Disjunct
Pronunciation : Dis*junct"
Part of Speech : a.
Etymology : [L. disjunctus, p. p. of disjungere to disjoin. See Disjoin, and cf. Disjoint.]
Definition : 1. Disjoined; separated. [R.]
2. (Zo?l.)
Defn: Having the head, thorax, and abdomen separated by a deep constriction. Disjunct tetrachords (Mus.), tetrachords so disposed to each other that the gravest note of the upper is one note higher than the acutest note of the other.
Source : Webster's Unabridged Dictionary, 1913