Possible Definitions:
1. Contingency (n.) Union or connection; the state of touching or contact.
2. Contingency (n.) The quality or state of being contingent or casual; the possibility of coming to pass.
3. Contingency (n.) An event which may or may not occur; that which is possible or probable; a fortuitous event; a chance.
4. Contingency (n.) An adjunct or accessory.
5. Contingency (n.) A certain possible event that may or may not happen, by which, when happening, some particular title may be affected.