The Collaborative International Dictionary of English v.0.48:

Divisible \Di*vis"i*ble\, a. [L. divisibilis, fr. dividere: cf.
   F. divisible. See Divide.]
   Capable of being divided or separated.
   [1913 Webster]

         Extended substance . . . is divisible into parts. --Sir
                                                  W. Hamilton.
   [1913 Webster]

   Divisible contract (Law), a contract containing agreements
      one of which can be separated from the other.

   Divisible offense (Law), an offense containing a lesser
      offense in one of a greater grade, so that on the latter
      there can be an acquittal, while on the former there can
      be a conviction. -- Di*vis"i*ble*ness, n. --
      Di*vis"i*bly, adv.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Divisible \Di*vis"i*ble\, n.
   A divisible substance. --Glanvill.
   [1913 Webster]

WordNet (r) 3.0 (2006):

divisible
    adj 1: capable of being or liable to be divided or separated;
           "even numbers are divisible by two"; "the Americans
           fought a bloody war to prove that their nation is not
           divisible" [ant: indivisible]