- (n.) A conical or branching body, by which a seaweed is attached to its support, and differing from a root in that it is not specially absorbent of moisture.
- (n.) Something used to secure and hold in place something else, as a long fiat-headed nail, a catch a hook, a clinch, a clamp, etc.; hence, a support.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). holdfast. Retrieved September 22, 2026, from http://smartdefine.org/holdfast/definitions/2016950 |
| Chicago | Webster's. 2011. "holdfast" http://smartdefine.org/holdfast/definitions/2016950 (accessed September 22, 2026). |
| Harvard | Webster's 2011, holdfast, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/holdfast/definitions/2016950>. |
| MLA | Webster's. "holdfast" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/holdfast/definitions/2016950> |