Dictionary Definitions, Synomyns, Antonyms, and related words for Knee Jerk
Definitions for: Knee Jerk
[n] a reflex extension of the leg resulting from a sharp tap on the patellar tendon
Webster (1913) Definition: Knee jerk (Physiol.)
A jerk or kick produced by a blow or sudden strain upon the
patellar tendon of the knee, which causes a sudden
contraction of the quadriceps muscle.