pacemaker

One entry found for pacemaker.

Main Entry: pace·mak·er
Pronunciation: 'pAs-"mA-k&r
Function: noun
1 a : one that sets the pace for another b : one that takes the lead or sets an example
2 a : a group of cells or a body part (as the sinus node of the heart) that serves to establish and maintain a rhythmic activity b : an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart
- pace·mak·ing /-ki[ng]/ noun