des‧ig‧nate1 [transitive usually passive]
to choose someone or something for a particular job or purpose
be designated something
The lake was recently designated a conservation area.
designate something as/for something
Funds were designated for projects in low-income areas.
designate somebody to do something
She has been designated to take over the position of treasurer.
to represent or refer to something using a particular sign, name etc:
Buildings are designated by red squares on the map.