Definitions for: Peridium

[n] outer layer of the spore-bearing organ in many fungi

Webster (1913) Definition: Pe*rid"i*um, n.; pl. Peridia. [NL., fr. Gr. ? about
+ ?, a dim. ending.] (Bot.)
The envelope or coat of certain fungi, such as the puffballs
and earthstars.

See Also: cover, covering, natural covering