a stockless anchor having a bowlike head, used chiefly for semipermanent moorings.
Origin of mushroom anchor
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mushroom anchor
The first attention of the landing-master was to lay down a mushroom-anchor, weighing 18 cwt.An Account of the Bell Rock Light-House|Robert Stevenson