tri·col·our
noun/ˈtrɪkələ(r)/
/ˈtraɪkʌlər/
(US English tricolor)
[countable]- a flag that has three bands of different colours, especially the French and Irish national flags
三色旗（尤指法国和爱尔兰的国旗） Word Originlate 18th cent.: from French tricolore, from late Latin tricolor (see tri-, colour).