from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The practice of hiding messages, so that the presence of the message itself is hidden, often by writing them in places where they may not be found.
- n. Specifically: the use of small files in computers to communicate secret information.
from the GNU version of the Collaborative International Dictionary of English
- n. The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography.
- n. 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.
from The Century Dictionary and Cyclopedia
- n. The art of writing in cipher, or in characters which are not intelligible except to the persons who correspond with each other; cryptography.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. act of writing in code or cipher
From Ancient Greek στεγανός (steganos, "cover, roof") + γράφω (graphō, "I write") (Wiktionary)