n. An undertaking of chance or danger; the risking of something upon an event which cannot be foreseen with certainty; the staking of something; a hazard.n. Specifically, a scheme for making gain by way of trade; a commercial speculation.n. The thing put to hazard; a stake; a risk; particularly, something sent to sea in trade.n. Chance; hap; contingency; luck; an event that is not or cannot, be foreseen.n. Synonyms Hazard, etc. See risk.To dare; have courage or presumption, as to do, undertake, or say.To run a hazard or risk; try the chance; make a venture; expose one's life, fortune, etc.To expose to hazard; risk; stake.To run the hazard of; expose one's self to.To put or send on a venture or commercial speculation.To confide in; rely on; trust.