from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various corals of the order Pennatulacea, having a flexible skeleton in the form of a long central shaft with numerous branches on each side.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
colonial marine cnidarianof the orderPennatulacea.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun fleshy featherlike warm-water colonies
from The American Heritage® Dictionary of the English Language, 4th Edition
[From its resemblance to a quill pen.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
From the feather-like appearance of some species, reminiscent of antique quill pens.
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