Definition of point d'arrêt in US English:

point d'arrêt

noun

Geometry
rare
  • A point at which a branch of a curve terminates; an end point of a curve; also in extended use.

Origin

Mid 19th century; earliest use found in Nature: a weekly journal of science. From French point d'arrêt stopping point from point + de + arrêt.

Pronunciation

point d'arrêt

/ˌpwã daˈrɛt/