Synonyms for Peridium:

• n.

  •cortex (noun)
  • layer,
  • rind,
  • bark.
  •Other relevant words: (noun)
  • cover,
  • covering,
  • cortex,
  • natural covering.
  •plant (noun)
  • peridium.

Hyponym for Peridium:

• n.

  • plant
    covering, natural covering, cover.