Definition of sextern in US English:

sextern

noun

  • A quire consisting of six sheets of parchment or paper folded in two, so as to give twelve leaves.

Origin

Late 19th century. From post-classical Latin sexternus from classical Latin sex six + -ternus. Compare Middle French sexterne, Middle High German sextern (German † Sextern). Compare post-classical Latin sexternio.

Pronunciation

sextern

/ˈsɛkstəːn/