[hohld-fast, -fahst]
something used to hold or secure a thing in place; a catch, hook, clamp, etc.
Botany, Mycology. any of several rootlike or suckerlike organs or parts serving for attachment.

1550–60; noun use of verb phrase hold fast

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To holdfast
World English Dictionary
holdfast (ˈhəʊldˌfɑːst)
1.  a.  the act of gripping strongly
 b.  such a grip
2.  any device used to secure an object, such as a hook, clamp, etc
3.  the organ of attachment of a seaweed or related plant

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
The stalk is attached to the sea floor by a holdfast at the base of the stem.
The holdfast, at the base of the alga, attaches it to the rocks on which it lives.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature