pacemaker

pace-mak-er · noun

imported

Definitions

noun

  1. 1.

    A small electronic device implanted in the chest to regulate the heartbeat.

  2. 2.

    A runner or competitor who sets the pace for others in a race.

  3. 3.

    A person or thing that sets the standard or leads the way.

Forms

plural: pacemakers

Related words

See also: pace, pacer, pacesetter
Synonyms: cardiac pacemaker, pacer

Etymology

From English compound pace + maker, first used in the medical sense in the 1950s.