The Collaborative International Dictionary
Injoint
Injoint \In*joint\, v. t. [Pref. in- in + joint.]
To join; to unite. [R.]
--Shak.
Injoint
Injoint \In*joint\, v. t. [Pref. in- in + joint.]
To disjoint; to separate. [Obs.]
--Holland.
Wiktionary
injoint
vb. 1 (context obsolete English) To disjoint; to separate. 2 (context obsolete English) To join; to unite.