conjoint

a. [ F. conjoint, p. p. of conjoindre. See Conjoin, and cf. Conjunct. ] United; connected; associated. “Influence conjoint.” Glover. [ 1913 Webster ]

Conjoint degrees (Mus.), two notes which follow each other immediately in the order of the scale, as ut and re. Johnson. --
Conjoint tetrachords (Mus.), two tetrachords or fourths, where the same note is the highest of one and the lowest of the other; -- also written conjunct. [ 1913 Webster ]