interjoin

verb

1. To interconnect two sets.
2. (intransitive, transitive)To join mutually; to unite.

   “[…] so, fellest foes, Whose passions and whose plots have broke their sleep, To take the one the other, by some chance, Some trick not worth an egg, shall grow dear friends And interjoin their issues.”

   “[…] it is most probable to be the Port of Trapezonment, plac’d in a Corner of the Euxine Sea; for from this Port, within a few Months, Anno 1272. they came to Ancona, which could not be perform’d from the Caspian Sea, by reason of the great space of Land and Regions interjoin’d.”

   “The Kuzzauk salutation is made, by interjoining the four hands.”

   “[…] seek the quoin Where choir and transept interjoin,”

   “He feebly lifted an arm, but the darkness was even greater inside the shroud, and all he could see was a myriad of interjoining cracks.”

3. To say by way of interruption, to interject.

   ““No, no,” cried lady Anna, in trepidation, “leave him—let him go.” Lennard unloosed his hold for a moment; and regarding her ladyship with a look of jealous anger, he stood irresolute. “Leave him,” interjoined Wentworth. “He has abused the privileges of a social meeting, by venting the preconcerted acumen of a malicious nature; he is beneath your contempt.””

   ““Oh! you can have no idea of its gaiety,” returned Frances; “and such a quantity of people.” “A number of persons, and a quantity of goods,” interjoined Miss Colville.”

   “1899, Kate Chopin, The Awakening, Chicago and New York: Herbert S. Stone, Chapter 5, pp. 26-27, “Perhaps I feared to make Alphonse jealous,” she interjoined, with excessive naïveté. That made them all laugh.”

   ““[…] If the notice is not too short for you, Fossick, why not join us?” “A capital plan, Fossick,” interjoined the judge […]”