Definition of makunouchi in US English:

makunouchi

(also maku no uchi, maku-no-uchi)

noun

Sumo
  • The highest division of wrestlers.

Origin

Late 19th century; earliest use found in Frank Brinkley (1841–1912). From Japanese makunouchi, lit. ‘inside the curtain’ from maku curtain + no, possessive particle + uchi the inside.