Definition of rack-lashing in English:

rack-lashing

Pronunciation /ˈrakˌlaʃɪŋ/

noun

historical Military
  • A lashing consisting of a piece of rope fastened to a rack-stick, by means of which it may be twisted tight; the process of lashing by this method.

Origin

Early 19th century; earliest use found in Exercise of Military Bridges of Casks. From rack + lashing, probably after rack-stick.