Search Result for "knee_jerk":
Wordnet 3.0

NOUN (1)

1. a reflex extension of the leg resulting from a sharp tap on the patellar tendon;
[syn: knee jerk, knee-jerk reflex, patellar reflex]


The Collaborative International Dictionary of English v.0.48:

Knee jerk \Knee jerk\ (Physiol.) A jerk or forward kick of the lower part of the leg produced by a blow or sudden strain upon the patellar tendon of the knee, which causes a sudden contraction of the quadriceps muscle; the patellar reflex. [Webster 1913 Suppl.]
The Collaborative International Dictionary of English v.0.48:

Knee jerk \Knee jerk\, n. emotional and predictable; -- of certain people and their reactions to events. [PJC]
WordNet (r) 3.0 (2006):

knee jerk n 1: a reflex extension of the leg resulting from a sharp tap on the patellar tendon [syn: knee jerk, knee-jerk reflex, patellar reflex]