The Collaborative International Dictionary
Interjoined
Interjoin \In`ter*join"\, v. t. [imp. & p. p. Interjoined; p.
pr. & vb. n. Interjoining.] [Pref. inter + join.]
To join mutually; to unite. [R.]
--Shak.
Wiktionary
interjoined
vb. (en-past of: interjoin)