ballottement

Etymology
From, from.

Noun

 * 1)  A method of diagnosing pregnancy, in which the uterus is pushed with a finger to feel whether a foetus moves away and returns again.
 * 2)  An increased amount of fluid in the suprapatellar pouch of the knee.

Etymology
From.

Noun

 * 1) rocking; tossing (of boat)