foliaceous

adjective

fo·​li·​a·​ceous ˌfō-lē-ˈā-shəs How to pronounce foliaceous (audio)
: of, relating to, or resembling an ordinary green leaf as distinguished from a modified leaf (such as a petal, bract, or scale)

Word History

Etymology

Latin foliaceus, from folium leaf + -aceus -aceous

First Known Use

1658, in the meaning defined above

Time Traveler
The first known use of foliaceous was in 1658

Browse Nearby Words

Cite this Entry

“Foliaceous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foliaceous. Accessed 5 Feb. 2026.

Medical Definition

foliaceous

adjective
fo·​li·​a·​ceous ˌfō-lē-ˈā-shəs How to pronounce foliaceous (audio)
: resembling a leaf in form or in mode of growth
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