noun
: any of several scales that attack grapevines: as
a. : a brown No. American unarmored scale ( Pulvinaria vitis ) that deposits its eggs in a cottony mass
b. : grape scale
noun
: any of several scales that attack grapevines: as
a. : a brown No. American unarmored scale ( Pulvinaria vitis ) that deposits its eggs in a cottony mass
b. : grape scale
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012