GDict

pacemaker

'peis.meikә4 senses · 65 ms
Level C1
local copy0 msLicense: CC BY-SA 4.0Wiktionary contributors
noun/ˈpeɪsˌmeɪkə(ɹ)/
  1. 1

    Specialized cells which stimulate the heart to beat.

    • natural pacemaker
    • cardiac pacemaker
  2. 2

    A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker.broadly

    • artificial pacemaker
  3. 3

    One who sets the pace in a race, to guide the others.uncommon

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