Tricolor \Tri"col`or\, n. [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 Revised Unabridged Dictionary (1913)