['sɔ:rai]
sorus 的复数

Sori \So"ri\, n.,
pl. of {Sorus}.


Sorus \So"rus\, n.; pl. {Sori}. [NL., fr. Gr. ? a heap.]
1. (Bot.) One of the fruit dots, or small clusters of
sporangia, on the back of the fronds of ferns.

2.
(a) In parasitic fungi, any mass of spores bursting
through the epidermis of a host plant.
(b) In lichens, a heap of soredia on the thallus.
[Webster 1913 Suppl.]