Definition of quinqueradiate in English:

quinqueradiate

adjective

rare Zoology Botany
  • Having or consisting of five rays.

Pronunciation

quinqueradiate

/ˌkwɪŋkwɪˈreɪdɪət/ /ˌkwɪŋkwɪˈreɪdɪeɪt/

Origin

Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.