Definition of quinquesection in English:

quinquesection

(also quinquisection)

noun

Mathematics
  • Division into five equal parts; an instance of this.

Origin

Mid 17th century. From post-classical Latin quinquesectio, quinquisectio from classical Latin quīnque five + sectiō.

Pronunciation

quinquesection

/ˈkwɪŋkwɪˌsɛkʃn/