dead-man's fingers

[ded-manz, -muh nz]
noun
  1. any of various fungi, sponges, plant roots, animal parts, etc., having fingerlike projections and a pale or dull color, as the gray-black woodland fungus Xylaria polymorpha or the whitish spongy gills of a food crab.

Origin of dead-man's fingers

First recorded in 1595–1605
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018