What is "coact"

Coact \Co*act"\, v. i. [Pref. co- + act, v. i.] To act together; to work in concert; to unite. [Obs.]

But if I tell you how these two did coact.
--Shak.

Coact \Co*act"\, v. t. [L. coactare, intens. fr. cogere, coactum, to force. See Cogent.] To force; to compel; to drive. [Obs.]

The faith and service of Christ ought to be voluntary and not coacted.
--Foxe.

Etymology 1

1. (context obsolete English) forced, constrained, done under compulsion. v

2. (context obsolete English) To compel, constrain, force. Etymology 2

   vb. (context rare English) To work together.

v. act together, as of organisms