cogwheels

/K AA1 G W IY0 L Z/
noun
  1. 1

    A gear wheel

  2. 2

    (When used attributively) Something behaving in similar, jerky, manner as a cogwheel, e.g. cogwheel respiration as a side effect of hyperbaric medicine

Source: https://en.wiktionary.org/wiki/cogwheel, https://en.wiktionary.org/wiki/cogwheels