Cnidarian vs Holdfast - What's the difference?

cnidarian | holdfast |


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

    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.

    • See also

    * (wikipedia "holdfast") * (commonslite)