Definition of sabretache in English:

sabretache

Pronunciation /ˈsābərˌtaSH/ /ˈseɪbərˌtæʃ/

noun

historical
  • A flat satchel on long straps worn by some cavalry and horse artillery officers from the left of the waist-belt.

    ‘Commanders needed maps and notebooks, and the sabretache, hanging from the waist-belt, not only housed pen, ink, and paper but also provided a convenient writing surface.’
    • ‘Away to his left Roger Palmer was scribbling a note on the smooth surface of his sabretache.’
    • ‘Knowing myself too great a sinner to merit so sacred a morsel, I slipped it into my sabretache, and wish myself near E., whose innocence might allow her to eat it without sacrilege.’

Origin

Early 19th century from French, from German Säbeltasche, from Säbel ‘saber’ + Tasche ‘pocket’.