The fiber or material obtained from sheep's fleece; wool, used mainly for clothing and textiles.
冬は羊毛のセーターをよく着る。
I often wear a wool sweater in winter.
この布は羊毛100％だから暖かい。
This fabric is 100% wool, so it's warm.
羊毛を染めるには専用の薬品が必要だ。
Dyeing wool requires specialized chemicals.