Rē'tro-frāct or Rĕt'ro-frāct or Rē'tro-frāct'ed or Rĕt'ro-frāct'ed, a.

a. [Lat. re, backward, back, and fractus, p. p. of frangere, to break; Fr. rétrofracté.] (Bot.) Bent backward, as it were by force, so as to appear as if broken; refracted; as, a retrofract peduncle.