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foliole

American  
[foh-lee-ohl] / ˈfoʊ liˌoʊl /

noun

Botany.
  1. a leaflet, as of a compound leaf.

  2. a small leaflike organ or appendage.


Etymology

Origin of foliole

1785–95; < French < Late Latin foliolum, equivalent to Latin foli ( um ) leaf + -olum -ole 1