SINCE 1828
pulvinaria
noun
pul·vi·nar·ia
| \ ˌpəlvəˈna(a)rēə\
Definition of pulvinaria
1
capitalized
: a genus of scales in which the females are large, flat, and nearly circular and secrete a cottony egg case — see cottony maple scale
2
plural -s
: any insect of the genus Pulvinaria
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