Source : Webster's Revised Unabridged Dictionary (1913)

Revocable \Rev"o*ca*ble\, a. [L. revocabilis: cf. F.
   r['e]vocable. See {Revoke}.]
   Capable of being revoked; as, a revocable edict or grant; a
   revocable covenant. -- {Rev"o*ca*ble*ness}, n. --
   {Rev"o*ca*bly}, adv.