- holdfasts
- n. device that holds or secures an object in place; hook; clamp; (Botany) branching or conical body that attaches seaweed or other aquatic plant to the surface; strong solid grasp
English contemporary dictionary. 2014.
holdfasts
Look at other dictionaries:
Holdfast — A holdfast is a root like structure that anchors aquatic sessile organisms, such as seaweed, other sessile algae, stalked crinoids, colonial cnidarians, and sponges, to the substrate. [cite book |author=D. N. Thomas |year=2002 |title=Seaweeds… … Wikipedia
Tyrannosauridae — Filozoa Tyrannosaurids Temporal range: Late Cretaceous, 83–65.5 Ma … Wikipedia
War of the Five Kings — The War of the Five Kings is a fictional war that takes place in American fantasy author George R. R. Martin s A Song of Ice and Fire series of novels. The war begins during the events of the first novel, A Game of Thrones and remains ongoing at… … Wikipedia
seaweed — /see weed /, n. 1. any plant or plants growing in the ocean. 2. a marine alga. [1570 80; SEA + WEED1] * * * Any of certain species of red, green, and brown marine algae that generally are anchored to the sea bottom or to a solid structure by… … Universalium
Albertosaurus — Eumetazoa Albertosaurus sarcophagus Temporal range: Late Cretaceous, 73–70 Ma … Wikipedia
Heard Island and McDonald Islands — Heard Island Nickname: HIMI Satellite image of the southern tip of Heard Island. Cape Arkona is seen on the left side of the image, with Lied Glacier just above and Gotley Glacier just below. Big Ben Volcano and Mawson Peak are seen at the lower… … Wikipedia
Neoproterozoic — era 1000 542 million years ago Key events in the Neoproterozoic view • edit … Wikipedia
Nemertea — For the Romanian village that bears this name, see Gura Teghii. Nemertea … Wikipedia
Rotifer — Rotifera Temporal range: Eocene–Recent … Wikipedia
Crinoid — Crinoids Temporal range: Ordovician Recent … Wikipedia
