A varying degree or amount of freedom or flexibility; margin, latitude, elbowroom
Within an expression that is not FP-strict, some leeway is granted for an implementation to use an extended exponent range to represent intermediate results;.
Leeway is the freedom that someone has to take the action they want to or to change their plans. Rarely do schoolteachers have leeway to teach classes the way they want
The lateral movement of a ship to leeward of her course, estimated from the angle formed between the line of the ship's keel and the line which the ship actually describes through the water, as shown by her wake