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sorus

noun so·rus \ ˈsȯr-əs \

Definition of sorus

plural sori play \ˈsȯr-ˌī, -ˌē\
: a cluster of plant reproductive bodies: such as
a : a cluster of sporangia on the underside of a fertile fern frond
b : a mass of spores bursting through the epidermis of the host plant of a parasitic fungus
c : a cluster of gemmae on the thallus of a lichen

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Origin and Etymology of sorus

New Latin, from Greek sōros heap

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  1. See words that rhyme with sorus Britannica.com: Encyclopedia article about sorus

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