'Steganography' definitions:

Definition of 'steganography'

From: WordNet
noun
Act of writing in code or cipher [syn: cryptography, coding, secret writing, steganography]

Definition of 'Steganography'

From: GCIDE
  • Steganography \Steg`a*nog"ra*phy\ (st[e^]g`[.a]*n[o^]g"r[.a]*f[y^]), n. [Gr. stegano`s covered (fr. ste`gein to cover closely) + -graphy.]
  • 1. The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography. [1913 Webster]
  • 2. Specifically: The branch of cryptography in which messages are hidden inside other messages; -- used commonly for the process of hiding messages inside a computerized image file, as for example hiding the name and copyright notice of the owner of an image as protection against violation of the copyright. [PJC]