Definition of sorus
plural so·ri play \ˈsȯr-ˌī, -ˌē\
: a cluster of plant reproductive bodies: asa : a cluster of sporangia on the underside of a fertile fern frondb : a mass of spores bursting through the epidermis of the host plant of a parasitic fungusc : a cluster of gemmae on the thallus of a lichen
Origin of sorus
New Latin, from Greek sōros heap
First Known Use: 1832
Learn More about sorus
Britannica.com: Encyclopedia article about "sorus"
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