holdfast
- Noun. Something to or by which an object can be securely fastened.
- Noun. (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.
- Noun. (archaic, medicine) Actinomycosis.
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This entry was last updated on RefTopia from its source on 3/20/2012.