What is "re-formed"

Re-form \Re-form"\ (r?*f?rm"), v. t. & i. [imp. & p. p. Re-formed (-f?rmd"); p. pr. & vb. n. Re-forming.] To give a new form to; to form anew; to take form again, or to take a new form; as, to re-form the line after a charge.

adj. formed again or anew; "the re-formed scout troop has been very active"