sori

/S AO1 R IY0/
noun
  1. 1

    Any reproductive structure, in some lichens and fungi, that produces spores.

  2. 2

    A cluster of sporangia on the edge or underside of a fern frond.

Synonyms

noun
  1. 1

    Copper sulphate

Source: https://en.wiktionary.org/wiki/sori, https://en.wiktionary.org/wiki/sorus