Definitions of cotton:

• noun:   fabric woven from cotton fibers
• noun:   thread made of cotton fibers
• noun:   erect bushy mallow plant or small tree bearing bolls containing seeds with many long hairy fibers
• noun:   silky fibers from cotton plants in their raw state
• verb:   take a liking to

  Example: "Cotton to something"

• name:  A surname (common: 1 in 7142 families; popularity rank in the U.S.: #856)