As nouns the difference between cnidarian and holdfast
is that
cnidarian is any of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges and ctenophores that belong to the phylum
cnidaria while
holdfast is something to or by which an object can be securely fastened.
cnidarian English
Noun
( en noun)
any of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges and ctenophores that belong to the phylum Cnidaria .
See also
* coelenterate
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holdfast English
Noun
( en noun)
Something to or by which an object can be securely fastened.
(zoology) A root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate.
(archaic, medicine) Actinomycosis.
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