a normal reflex flexion of the toes, especially in persons above one year of age, resulting from stroking the sole of the foot.
Compare Babinski's reflex.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for plantar reflex
Contraction of the toes in response to tactile stimulation of the ball of the foot.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.