actinal

adjective
ac·​ti·​nal | \ ˈak-tə-nəl, (ˈ)ak-¦tī-nᵊl \

Definition of actinal

 (Entry 1 of 2)

: belonging to the part of a radiate animal from which the tentacles or arms radiate and where the mouth is situated often used as an equivalent of oral
-ac·​ti·​nal | \ ¦ak-tə-nəl, ˌak-¦tī-nᵊl \

Definition of -actinal (Entry 2 of 2)

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Other Words from actinal

Adjective

actinally \ ˈak-​tə-​nə-​lē , (ˈ)ak-​¦tī-​nᵊl-​ē \ adverb

First Known Use of actinal

Adjective

1857, in the meaning defined above

History and Etymology for actinal

Adjective

Greek aktīn-, aktís "ray, beam, spoke of a wheel" + -al entry 1

Adjective combining form

Greek aktīn-, aktís "ray, beam, spoke of a wheel" + -al entry 1

Learn More About actinal

Time Traveler for actinal

Time Traveler

The first known use of actinal was in 1857

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Dictionary Entries Near actinal

actin

actinal

-actinal

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Cite this Entry

“Actinal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/actinal. Accessed 10 Aug. 2022.

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