Definition of rabatment in English:

rabatment

(also rabattment, rebatement, rebattement)

Pronunciation /rəˈbatm(ə)nt/

noun

Geometry
  • The action of rabatting or rotating a plane, figure, etc.; the result of this.

Origin

Late 19th century; earliest use found in Samuel Thearle (1846–1913). Apparently partly from rabat + -ment, and partly from French rabattement.