Medical Dictionary


noun \ˈbl\

Medical Definition of BALL

:  a round or roundish body or mass: as a :  a roundish protuberant part of the body: as (1) :  the rounded eminence by which the base of the thumb is continuous with the palm of the hand (2) :  the rounded broad part of the sole of the human foot between toes and arch and on which the main weight of the body first rests in normal walking (3) :  the padded rounded underside of a human finger or toe near the tip b :  eyeball c often vulgar :  testis d :  a large pill (as one used in veterinary medicine) :  bolus
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears