| turning point | |
| —n | |
| 1. | a moment when the course of events is changed: the turning point of his career |
| 2. | a point at which there is a change in direction or motion |
| 3. | maths a stationary point at which the first derivative of a function changes sign, so that typically its graph does not cross a horizontal tangent |
| 4. | surveying a point to which a foresight and a backsight are taken in levelling; change point |
| a fool or simpleton; ninny. |
| the offspring of a zebra and a donkey. |