1. relating to or forming a peridium (the outer wall of a fungal fruiting body)
Usage: botanical; mycological

Examples

• The peridial wall of the puffball mushroom protects the spores inside.
• Scientists examined the peridial structure under a microscope.
• The peridial layer began to crack as the fungus matured.
• Peridial tissues vary greatly among different fungal species.
• The researcher noted the thick peridial covering on the specimen.