Definition of plano:
(adj) :
Of lenses: flat; having no curvature; not serving to correct the vision.
(n) :
A city in Collin County, Texas, suburb of Dallas.
(n) :
A city in Kendall County, Illinois, suburb of Chicago
(n) :
A place in the United States:
(n) :
A city in Appanoose County, Iowa.
(n) :
An unincorporated community in Greene County, Missouri.