holdfast

== English == === Etymology === Deverbal from hold fast. === Noun === holdfast (plural holdfasts) Something to or by which an object can be securely fastened. (biology) A root-like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, benthic cnidarians, and sponges, to the substrate. Hyponym: hapteron (archaic, medicine) Actinomycosis. The aspect of a character that experiences destructive temptation. ==== Derived terms ==== ==== Translations ==== ==== See also ==== holdfast on Wikipedia.Wikipedia Category:holdfast on Wikimedia Commons.Wikimedia Commons