divaricating

from The Collaborative International Dictionary of English v.0.48

Divaricate \Di*var"i*cate\, v. i. [imp. & p. p. {Divaricated};
   p. pr. & vb. n. {Divaricating}.] [L. divaricatus, p. p. of
   divaricare to stretch apart; di- = dis- + varicare to
   straddle, fr. varicus straddling, fr. varus stretched
   outwards.]
   1. To part into two branches; to become bifid; to fork.
      [1913 Webster]

   2. To diverge; to be divaricate. --Woodward.
      [1913 Webster]