Definition of phrenicotomy in US English:

phrenicotomy

noun

  • Surgical division of a phrenic nerve, in order to paralyse the corresponding half of the diaphragm; an instance of this.

Origin

Early 20th century; earliest use found in The Lancet. From phrenico- + -tomy, perhaps after German Phrenikotomie.

Pronunciation

phrenicotomy

/ˌfrɛnɪˈkɒtəmi/