Definition of antemural in English:

antemural

noun

rare
  • An outer fortification, especially one belonging to a city or castle; a barbican.

Origin

Early 17th century; earliest use found in Andrew Willet (d. 1621), Church of England clergyman and religious controversialist. From post-classical Latin antemurale bulwark, fortification (Vulgate) from classical Latin ante- + mūrus wall + -āle.

Pronunciation

antemural

/ˌantɪˈmjɔːrəl//ˌantɪˈmjʊərəl//ˌantɪˈmjʊər(ə)l/