1. The ability to perform manual skills easily with one or the other hand: Ambidexterity involves writing or using cutlery with the same adroitness, or proficiency, because there is no definite handedness or preference for using just one hand to do anything.
2. General skillfulness, especially with the hands; very skillful and versatile; using both hands with equal success: Jane was an expert at making her own ceramics, which was of excellent quality and showed her ambidexterity and mastery in creating perfectly formed vases and bowls.