tricolor, tricolour -- (a flag having three colored stripes (especially the French flag))
Overview of adj tricolor
The adj tricolor has 1 sense
trichromatic, trichrome, tricolor -- (having or involving three colors; "trichromatic vision"; "a trichromatic printing process"; "trichromatic staining is the staining of tissue samples differentially in three colors"; "tricolor plumage"; "a tricolor process in photography")