French word for flag

le drapeau français or l'étendard (battle flag)

Answer:

The national flag of France a tricolour featuring three vertical bands coloured blue (hoist side), white, and red, is known in French as:

• le drapeau
• le drapeau français
• le drapeau bleu-blanc-rouge
• le drapeau tricolore
• le tricolore (rarely)
• les couleurs (in military parlance)