A favorable moment or opening to do something; often implies a limited-time opportunity. Used in everyday speech.
Now is the chance.
He missed that opportunity.
He worked up the courage and seized the opportunity.
I hesitated and ended up missing the chance.
The coach gave the rookie player a chance.
I was fortunate enough to get the chance to study abroad.
I'm sure another chance will come along.
arrival of an opportunity; having a chance