pacemaker
noun
pace·mak·er
ˈpās-ˌmā-kər
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 (such 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share