圓號(hao),唇(chun)振動氣鳴(ming)樂(le)器,又稱法國號(hao)。廣(guang)泛(fan)用(yong)(yong)于(yu)(yu)交響樂(le)隊、軍樂(le)隊中的(de)(de)銅(tong)管(guan)(guan)(guan)樂(le)器。銅(tong)制螺旋形管(guan)(guan)(guan)身,漏(lou)斗狀號(hao)嘴,喇(la)叭口較大。雖然圓號(hao)屬于(yu)(yu)銅(tong)管(guan)(guan)(guan)樂(le)器,但其不僅能(neng)(neng)吹出銅(tong)管(guan)(guan)(guan)嘹亮的(de)(de)聲音(yin)還(huan)能(neng)(neng)吹出木(mu)管(guan)(guan)(guan)柔和(he)的(de)(de)聲音(yin),可用(yong)(yong)于(yu)(yu)木(mu)管(guan)(guan)(guan)五重奏。圓號(hao)聲音(yin)柔和(he)、豐滿,和(he)木(mu)管(guan)(guan)(guan)、弦樂(le)器的(de)(de)聲音(yin)能(neng)(neng)很好地融合。在交響樂(le)隊中,通常使(shi)用(yong)(yong)4支圓號(hao)。