Un chapeau (masc.) is 'a hat' in English.
le chapeau is the hat.
"Un buen..." is "a good...."
c'est un copain in english means "it is a friend."
un drapeau is a flag in French.
the hat is spelled 'le chapeau' in French.
un chapeau (masc.) is a hat in English.
Porter un chapeau = to wear a hat
"un chapeau blanc" means "a white hat" in French.
chapeau
La femme et le chapeau : the woman and the hat
Un chapeau de paille is a straw hat in French.
Le vert chapeau
Quel chapeau? in French is "Which hat?" in English.
le chapeau is the hat.
un chapeau
If you mean by French hat the kind artists typically wear, you are referring to a beret. A beret is a soft, round, flat-crowned hat, usually of woven, hand-knitted wool, crocheted cotton, wool felt, or acrylic fabric.
"un cheveu" (singular, plural: des cheveux) is a masculine noun in French.