A right angle in a passageway (for example, garderobes usually had a dog-leg approach so that the air from the privy pit would not blow back directly into the room).

A fairway that has a sharp turn, either left or right, shaping it to the form of a dogs hind-leg.

A hole with a fairway that bends sharply. A hazard is often positioned at the angle of the dog-leg to put you off driving across it.

A hole that follows a broken, sharply angled line from the tee to the green.

A significant or severe left or right bend in the fairway of a golf hole.

A hole in which the route of play angles to the right or left before reaching the putting surface

Permanent bend or kink, in a wire rope, caused by improper use or handling.

positioning of a control which favors approaching and leaving a control by the same route, thereby leading other competitors to the control. Course design which results in a dog-leg should be avoided.

Dog-leg is a term used to describe a configuration of stairs between two floors of a building, often a domestic building, in which there are two short flights at 180 degrees to each other, joined by a half-landing to enable the 180 degree turn. The flights do not have to be equal, and frequently are not.