hair
fur; wool
down; plumage; feathers
「毛」 has another reading with different meanings.
one-thousandth; 0.03 mm (one-thousandth of a sun); 0.01 percent (one-thousandth…
猫の毛がソファにたくさんある。
There's a lot of cat hair on the sofa.
犬の毛をブラシでとかした。
I brushed the dog's fur.
ペットの毛がたくさん落ちる。
The pet's hair falls a lot.