1An annular mark on a plant or animal (especially a butterfly).
2Any of several plant diseases characterized by annular spots or marks on the leaves, caused by fungi or viruses (also more fully "ringspot disease", "ringspot virus").
Origin
Mid 19th century; earliest use found in The Penny Magazine. From ring + spot.
Definition of ringspot in US English:
ringspot
nounˈrɪŋspɒt
1An annular mark on a plant or animal (especially a butterfly).
2Any of several plant diseases characterized by annular spots or marks on the leaves, caused by fungi or viruses (also more fully "ringspot disease", "ringspot virus").
Origin
Mid 19th century; earliest use found in The Penny Magazine. From ring + spot.