touch·point / ˈtəchˌpoint/ • n. 1. Commerce any point of contact between a buyer and a seller.2. Comput. on some laptop computers, a device like a miniature joystick with a rubber tip, manipulated with a finger to move the screen pointer.3. a time, condition, or circumstance that is vulnerable or unstable enough to precipitate a highly unfavorable, possibly devastating outcome: so much remains to be done to take the fleeting opportunities there may be still in the Middle East to make it a safer and less terrible touchpoint for world conflagration. ∎ Psychol. the time in a child's development that precedes an appreciable leap in physical, emotional, or cognitive growth. This phase is often associated with outbursts of uncharacteristic behavior.