Bible Dictionaries
Sorus

Webster's Dictionary

(1):

(n.) In lichens, a heap of soredia on the thallus.

(2):

(n.) One of the fruit dots, or small clusters of sporangia, on the back of the fronds of ferns.

(3):

(n.) In parasitic fungi, any mass of spores bursting through the epidermis of a host plant.

Bibliography Information
Webster, Noah. Entry for 'Sorus'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/sorus.html. 1828.