What is the definition of Knee-jerk? | Dictionary.net

KNEE-JERK

\nˈiːd͡ʒˈɜːk], \nˈiːd‍ʒˈɜːk], \n_ˈiː_dʒ_ˈɜː_k]\

Definitions of KNEE-JERK

1898 - American pocket medical dictionary

Sort: Oldest first

upward twitch of foot on striking the patellar ligament, the leg being flexed.
stroke on tense patellar tendon contracts the quadriceps and jerks the foot.

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Word of the day

Snake's-head

Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.

View More

Nearby Words