TRICOLOR
trichromatic, trichrome, tricolor
(adjective) 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”
tricolor, tricolour
(noun) a flag having three colored stripes (especially the French flag)
Source: WordNet® 3.1
Etymology
Adjective
tricolor (not comparable)
(American spelling) Having three colors.
Noun
tricolor (plural tricolors)
(American spelling) Alternative form of tricolour
Etymology
Proper noun
Tricolor
the French flag
the Irish flag
the Italian flag
Source: Wiktionary
Tri"col`or, n. Etym: [F. tricolore, drapeau tricolore a tricolored
flag, fr. tricolore three-colored; tri (see Tri-) + L. color color.]
[Written also tricolour.]
1. The national French banner, of three colors, blue, white, and red,
adopted at the first revolution.
2. Hence, any three-colored flag.
Source: Webster’s Unabridged Dictionary 1913 Edition