Pronunciation: (sub-sist'), [key]
1. to exist; continue in existence.
2. to remain alive; live, as on food, resources, etc.
3. to have existence in, or by reason of, something.
4. to reside, lie, or consist (usually fol. by in).
a. to have timeless or abstract existence, as a number, relation, etc.
b. to have existence, esp. independent existence.
to provide sustenance or support for; maintain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.