What is best described as a chance at quarry in falconry?

In falconry, the term that refers to a chance at quarry is best described as a slip. A slip occurs when the falcon is released from the falconer's hand or from its perch to chase after the intended prey, which is known as quarry. This action captures the essence of falconry, as it is the moment when the bird makes its move towards its target in the pursuit of hunting.

The other terms, while related to falconry, denote different aspects of the practice. A lure is a device used to attract a bird back to the falconer, typically imitating the behavior of prey to reinforce training and facilitate recall. A flight refers to the actual act of the bird flying, which encompasses various hunting and training maneuvers but does not specifically indicate the moment of pursuing quarry. A perch refers to a resting place where the bird is housed or held, particularly when not in flight. Thus, a slip precisely captures the moment of opportunity for the falcon to engage with its quarry.