Disjunct \Dis*junct"\, a. [L. disjunctus, p. p. of disjungere to disjoin. See Disjoin, and cf. Disjoint.]

1. Disjoined; separated. [R.]

2. (Zo["o]l.) 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 Revised Unabridged Dictionary (1913)