n.
Pronunciation: ' p ā s- ˌ m ā -k ə r
Function: noun
Date: 1884
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 ŋ \ noun