Definition of legicide in US English:

legicide

noun

North American
  • The action or an act of destroying or undermining the authority of the law; (also) the act of defeating or preventing the passage of a particular piece of legislation.

noun

  • A person who destroys, or undermines the authority of, the law; (after the 19th cent.) specifically a person who vetoes, repeals, or puts an end to a particular law.

Origin

Mid 17th century; earliest use found in Answere to Earle of Straffords Oration. From classical Latin lēgi-, alternative stem of lēx law + -cide, originally after regicide<br>late 17th century; earliest use found in John Tutchin (d. 1707), political writer. From classical Latin lēgi-, alternative stem of lēx law + -cide, originally after regicide.

Pronunciation

legicide

/ˈlɛdʒɪsʌɪd/