arenaceous

adjective

ar·​e·​na·​ceous ˌa-rə-ˈnā-shəs How to pronounce arenaceous (audio)
ˌer-ə-ˈnā-shəs
1
: resembling, made of, or containing sand or sandy particles
2
: growing in sandy places

Word History

Etymology

Latin arenaceus, from arena

First Known Use

1646, in the meaning defined at sense 1

Time Traveler
The first known use of arenaceous was in 1646

Browse Nearby Words

Cite this Entry

“Arenaceous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arenaceous. Accessed 4 Feb. 2026.

Medical Definition

arenaceous

adjective
ar·​e·​na·​ceous ˌar-ə-ˈnā-shəs How to pronounce arenaceous (audio)
: resembling, made of, or containing sand or sandy particles
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