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actinal

[ak-tuh-nl, ak-tahyn-l] /ˈæk tə nl, ækˈtaɪn l/
adjective, Zoology
1.
having tentacles or rays.
2.
pertaining to the oral area from which the arms or tentacles radiate.
Origin
1857
1857; actin- + -al1; coined, with sense of def. 2, by Louis Agassiz
Related forms
actinally, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for actinal

actinal

/ˈæktɪnəl; ækˈtaɪnəl/
adjective
1.
of or denoting the oral part of a radiate animal, such as a jellyfish, sea anemone, or sponge, from which the rays, tentacles, or arms grow
2.
possessing rays or tentacles, as a jellyfish
Derived Forms
actinally, adverb
Word Origin
C19: see actino-, -al1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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