Source : Webster's Revised Unabridged Dictionary (1913)

Communicable \Com*mu"ni*ca*ble\, a. [Cf. F. communicable, LL.
   communicabilis.]
   1. Capable of being communicated, or imparted; as, a
      communicable disease; communicable knowledge.

   2. Communicative; free-speaking. [Obs.] --B. Jonson. --
      {Com*mu"ni*ca*ble*ness}, n. -- {Com*mu"ni*ca"bly}, adv.