3 entries found for reflex.
To select an entry, click on it.

reflex[1,noun] reflex[2,adjective] reflex arc

Main Entry: ¹re·flex
Pronunciation: r-fleks
Function: noun
1 : an automatic response to a stimulus in which a nerve message passes from a sense organ to the spinal cord and then to a point of action (as a muscle or gland) often without first passing to the brain <the knee-jerk reflex> -- compare HABIT 3
2 plural : the power of acting or responding with enough speed <an athlete with great reflexes>