Webster's Revised Unabridged Dictionary · 1913

Rejoin

Rejoin (r?-join") , transitive verb

[French rejoindre; pref. re- re- + joindre to join. See Join, and compare Rejoinder.]

1.
To join again; to unite after separation.
2.
To come, or go, again into the presence of; to join the company of again.
Meet and rejoin me, in the pensive grot. — Pope
3.
To state in reply; -- followed by an object clause.

Rejoin , intransitive verb

1.
To answer to a reply.
2.
(Law) To answer, as the defendant to the plaintiff's replication.