Definitions

1. noun

A spore of the fungus Amanita, especially the spore of Amanita muscaria.

“The mycologist carefully examined the meconidium under a microscope to identify the species.”

2. noun

A spore of the fungus of the genus Amanita, especially of Amanita muscaria.

“The spore, also known as a meconidium, was the key to identifying the poisonous Amanita muscaria mushroom.”