The Collaborative International Dictionary of English v.0.48:

Ramify \Ram"i*fy\ (r[a^]m"[i^]*f[imac]), v. t. [imp. & p. p.
   Ramified (-f[imac]d); p. pr. & vb. n. Ramifying.] [F.
   ramifier, LL. ramificare, fr. L. ramus a branch + -ficare (in
   comp.) to make. See -fy.]
   To divide into branches or subdivisions; as, to ramify an
   art, subject, scheme.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ramify \Ram"i*fy\, v. i.
   1. To shoot, or divide, into branches or subdivisions, as the
      stem of a plant.
      [1913 Webster]

            When they [asparagus plants] . . . begin to ramify.
                                                  --Arbuthnot.
      [1913 Webster]

   2. To be divided or subdivided, as a main subject.
      [1913 Webster]

WordNet (r) 3.0 (2006):

ramify
    v 1: have or develop complicating consequences; "These actions
         will ramify" [syn: complexify, ramify]
    2: grow and send out branches or branch-like structures; "these
       plants ramify early and get to be very large" [syn: ramify,
       branch]
    3: divide into two or more branches so as to form a fork; "The
       road forks" [syn: branch, ramify, fork, furcate,
       separate]