2. Noun. A sudden reflexive movement of the leg below the knee, as a reaction to a tap to the tendon just below the patella (kneecap). ¹
¹ Source: wiktionary.com
2. Noun. A sudden reflexive movement of the leg below the knee, as a reaction to a tap to the tendon just below the patella (kneecap). ¹
¹ Source: wiktionary.com