Definitions

1. noun

A gentle, rhythmic thud or pulsation, especially of the fetal heartbeat that can be felt during a medical examination, or a gentle thud of footsteps on the floor.

“The obstetrician detected the ballottement of the fetal heartbeat during the routine examination.”

2. noun

A rhythmic, pulsating sound or movement.

“The sound of the crowd created a ballottement that echoed throughout the stadium.”