inkcap

From ink +‎ cap, after its secretion.

inkcap (plural inkcaps)

1. A fungus of one of the genera Coprinus, Coprinellus or Coprinopsis.
   • 2015 September 3, Phil Gates, The Guardian:

     The outer ranks of a troop of several hundred fairy inkcaps, Coprinellus disseminatus, encircling a coppiced hazel stool, are already deliquescing into gooey black spore-laden ink that will soon be carried away on the feet of beetles and flies.

   • 2020, Merlin Sheldrake, Entangled Life, page 7:

     Pick an ink cap and you can fry it up and eat it.

• shaggy inkcap

• inky cap

• pack in, pack-in, packin', panick