actinia

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Related to actiniae: actinian

ac·tin·i·an

 (ăk-tĭn′ē-ən) also ac·tin·i·a (-ə)
n. pl. ac·tin·i·ans also ac·tin·i·ae (-ē-ē′)
A sea anemone.

[New Latin Actīnia, genus name, from Greek aktīs, aktīn-, ray; see actino-.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

actinia

(ækˈtɪnɪə)
n, pl -tiniae (-ˈtɪnɪˌiː) or -tinias
(Animals) any sea anemone of the genus Actinia, which are common in rock pools. Also called: actinian
[C18: New Latin, literally: things having a radial structure. See actino-, -ia]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.actinia - a genus of sea anemone common in rock poolsActinia - a genus of sea anemone common in rock pools
coelenterate genus - a genus of coelenterates
2.actinia - any sea anemone or related animalactinia - any sea anemone or related animal  
sea anemone, anemone - marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in classic literature ?
In the midst of this inextricable mass of plants and sea weed, I noticed some charming pink halcyons and actiniae, with their long tentacles trailing after them, and medusae, green, red, and blue.
Its principal goal is to constitute the applied catalogue of GFP-like proteins obtained from various non-bio-luminescent species--soft and madreporite corals, comb-jellies, actiniae etc.
The bottom was absolutely hidden by a continuous series of corals, sponges, actiniae, and other marine productions, of magnificent dimensions, varied forms, and brilliant colors....