To lay down a challenge; to provide a test of commitment (often one which carries a high risk) to a cause.
To create a real or artificial boundary or distinction between (two places, people or things).
To indicate the threshold or level above which something will become unacceptable or will provoke a response; to create a boundary and imply or declare that its crossing will provoke a (negative) response.
To undertake a risky or daring journey.
To put or send on a venture or chance.
to dare to engage in; to attempt without any certainty of success. Used with at or on
To confide in; to rely on; to trust.
To risk or offer.
To say something.
A risky or daring undertaking or journey.
An event that is not, or cannot be, foreseen.
The thing risked; especially, something sent to sea in trade.