Available Definitions:
1) n. - A supposed material or psychical agent or mode of activity other than a force, law, or purpose; fortune; fate; -- in this sense often personified.
2) n. - The operation or activity of such agent.
3) n. - The supposed effect of such an agent; something that befalls, as the result of unknown or unconsidered forces; the issue of uncertain conditions; an event not calculated upon; an unexpected occurrence; a happening; accident; fortuity; casualty.
4) n. - A possibility; a likelihood; an opportunity; -- with reference to a doubtful result; as, a chance to escape; a chance for life; the chances are all against him.
5) n. - Probability.
6) v. i. - To happen, come, or arrive, without design or expectation.
7) v. t. - To take the chances of; to venture upon; -- usually with it as object.
8) v. t. - To befall; to happen to.
9) a. - Happening by chance; casual.
10) adv. - By chance; perchance.